techiaith/legislation-gov-uk_en-cy huggingface dataset:
2 For this purpose, the child shall in particular be provided the opportunity to be heard in any judicial and administrative proceedings affecting the child, either directly, or through a representative or an appropriate body, in a manner consistent with the procedural rules of national law.
2 At y diben hwn, rhaid rhoi cyfle i'r plentyn yn benodol i gael gwrandawiad mewn unrhyw reithdrefn farnwrol a gweinyddol sy'n effeithio arno, naill ai'n uniongyrchol, neu drwy gynrychiolydd neu gorff priodol, mewn modd sy'n gyson â rheolau gweithdrefnol y gyfraith genedlaethol.
1 The child shall have the right to freedom of expression; this right shall include freedom to seek, receive and impart information and ideas of all kinds, regardless of frontiers, either orally, in writing or in print, in the form of art, or through any other media of the child's choice.
1 Bydd gan y plentyn hawl i ryddid mynegiant. Bydd yr hawl hon yn cynnwys rhyddid i geisio, cael a rhoi gwybodaeth a syniadau o bob math, ni waeth beth fo'r ffiniau, naill ai ar lafar, mewn ysgrifen neu mewn print, ar ffurf celfyddyd, neu drwy unrhyw gyfrwng arall a ddewisir gan y plentyn.
2 The exercise of this right may be subject to certain restrictions, but these shall only be such as are provided by law and are necessary:
2 Caiff y dull o arfer yr hawl hon fod yn ddarostyngedig i gyfyngiadau, ond ni fydd y rhain ond y rhai a ddarperir drwy'r gyfraith ac sy'n angenrheidiol:
for respect of the rights or reputations of others; or
i barchu hawliau neu enwau da personau eraill; neu
for the protection of national security or of public order (ordre public), or of public health or morals.
i warchod diogeledd gwladol neu drefn gyhoeddus (ordre public), neu iechyd neu foesau cyhoeddus.
1 States Parties shall respect the right of the child to freedom of thought, conscience and religion.
1 Rhaid i Bartïon Gwladwriaethau barchu hawl y plentyn i ryddid meddwl, cydwybod a chrefydd.
2 States Parties shall respect the rights and duties of the parents and, when applicable, legal guardians, to provide direction to the child in the exercise of his or her right in a manner consistent with the evolving capacities of the child.
2 Rhaid i Bartïon Gwladwriaethau barchu hawliau a dyletswyddau'r rhieni a phan fo'n gymwysadwy, gwarcheidwaid cyfreithiol, i roi cyfarwyddyd i'r plentyn i arfer ei hawl mewn modd sy'n gyson â gallueddau datblygol y plentyn.
3 Freedom to manifest one's religion or beliefs may be subject only to such limitations as are prescribed by law and are necessary to protect public safety, order, health or morals, or the fundamental rights and freedoms of others.
3 Yr unig gyfyngiadau y caiff rhyddid unigolyn i amlygu ei grefydd fod yn ddarostyngedig iddynt yw'r cyfyngiadau sydd wedi eu rhagnodi gan y gyfraith ac sy'n angenrheidiol i warchod diogelwch, trefn, iechyd neu foesau cyhoeddus, neu hawliau a rhyddidau personau eraill.
1 States Parties recognize the rights of the child to freedom of association and to freedom of peaceful assembly.
1 Mae Partïon Gwladwriaethau yn cydnabod hawliau'r plentyn i gael rhyddid i ymgysylltu a rhyddid i ymgynnull yn heddychlon.
2 No restrictions may be placed on the exercise of these rights other than those imposed in conformity with the law and which are necessary in a democratic society in the interests of national security or public safety, public order (ordre public), the protection of public health or morals or the protection of the rights and freedoms of others.
2 Ni chaniateir i unrhyw gyfyngiadau gael eu gosod ar y dull o arfer yr hawliau hyn ac eithrio'r rhai a osodir i gydymffurfio â'r gyfraith ac sy'n angenrheidiol mewn cymdeithas ddemocrataidd er budd diogeledd gwladol neu ddiogelwch cyhoeddus, trefn gyhoeddus (ordre public), diogelu iechyd neu foesau cyhoeddus neu amddiffyn hawliau a rhyddidau personau eraill.
Article 16
Erthygl 16
1 No child shall be subjected to arbitrary or unlawful interference with his or her privacy, family, home or correspondence, nor to unlawful attacks on his or her honour and reputation.
1 Ni chaniateir i unrhyw blentyn gael ei orfodi i ddioddef ymyrraeth fympwyol neu anghyfreithlon â'i breifatrwydd, â'i deulu, â'i gartref na'i ohebiaeth nac ymosodiadau anghyfreithlon ar ei anrhydedd a'i enw da.
2 The child has the right to the protection of the law against such interference or attacks.
2 Mae gan y plentyn hawl i gael ei amddiffyn gan y gyfraith yn erbyn unrhyw ymyrraeth neu ymosodiadau o'r fath.
Article 17
Erthygl 17
States Parties recognize the important function performed by the mass media and shall ensure that the child has access to information and material from a diversity of national and international sources, especially those aimed at the promotion of his or her social, spiritual and moral well-being and physical and mental health.
Mae Partïon Gwladwriaethau yn cydnabod y swyddogaeth bwysig sy'n cael ei chyflawni gan y cyfryngau torfol a rhaid iddynt sicrhau bod modd i'r plentyn gael gafael ar wybodaeth a deunyddiau o amryfal ffynonellau cenedlaethol a rhyngwladol, yn enwedig y rhai sydd wedi eu hanelu at hybu ei lesiant cymdeithasol, ysbrydol a moesol a'i iechyd corfforol a'i iechyd meddwl.
To this end, States Parties shall:
I'r perwyl hwn, rhaid i Bartïon Gwladwriaethau:
encourage the mass media to disseminate information and material of social and cultural benefit to the child and in accordance with the spirit of article 29;
annog y cyfryngau torfol i ledaenu gwybodaeth a deunyddiau a fyddai o fudd cymdeithasol a diwylliannol i'r plentyn ac yn unol ag ysbryd erthygl 29;
encourage international co-operation in the production, exchange and dissemination of such information and material from a diversity of cultural, national and international sources;
annog cydweithrediad rhyngwladol i gynhyrchu, cyfnewid a lledaenu gwybodaeth a deunyddiau o'r fath o amryfal ffynonellau diwylliannol, cenedlaethol a rhyngwladol;
encourage the production and dissemination of children's books;
hyrwyddo'r broses o gynhyrchu a lledaenu llyfrau plant;
encourage the mass media to have particular regard to the linguistic needs of the child who belongs to a minority group or who is indigenous;
annog y cyfryngau torfol i roi sylw penodol i anghenion ieithyddol plentyn sy'n perthyn i grŵp lleiafrifol neu sy'n blentyn brodorol;
encourage the development of appropriate guidelines for the protection of the child from information and material injurious to his or her well-being, bearing in mind the provisions of articles 13 and 18.
hyrwyddo'r broses o lunio canllawiau priodol i amddiffyn y plentyn rhag gwybodaeth a deunyddiau a fyddai'n niweidiol i'w lesiant, gan gadw mewn cof ddarpariaethau erthyglau 13 a 18.
Article 18
Erthygl 18
1 States Parties shall use their best efforts to ensure recognition of the principle that both parents have common responsibilities for the upbringing and development of the child. Parents or, as the case may be, legal guardians, have the primary responsibility for the upbringing and development of the child. The best interests of the child will be their basic concern.
1 Rhaid i Bartïon Gwladwriaethau wneud eu gorau glas i sicrhau y cydnabyddir yr egwyddor bod gan y ddau riant gyfrifoldebau cyffredin dros fagwraeth a datblygiad y plentyn. Mae gan rieni neu, yn ôl y digwydd, warcheidwaid cyfreithiol, y prif gyfrifoldeb dros fagwraeth a datblygiad y plentyn. Eu consýrn sylfaenol hwy fydd lles pennaf y plentyn.
2 For the purpose of guaranteeing and promoting the rights set forth in the present Convention, States Parties shall render appropriate assistance to parents and legal guardians in the performance of their child-rearing responsibilities and shall ensure the development of institutions, facilities and services for the care of children.
2 Er mwyn gwarantu a hybu'r hawliau sydd wedi eu nodi yn y Confensiwn presennol, rhaid i Bartïon Gwladwriaethau roi cymorth priodol i rieni a gwarcheidwaid cyfreithiol i gyflawni eu cyfrifoldebau magu plant a rhaid iddynt sicrhau bod sefydliadau, cyfleusterau a gwasanaethau'n cael eu datblygu i ofalu dros blant.
3 States Parties shall take all appropriate measures to ensure that children of working parents have the right to benefit from child-care services and facilities for which they are eligible.
3 Rhaid i Bartïon Gwladwriaethau gymryd pob mesur priodol i sicrhau bod gan blant rhieni sy'n gweithio hawl i fanteisio ar wasanaethau a chyfleusterau gofal plant y maent yn gymwys i'w cael.
Article 19
Erthygl 19
1 States Parties shall take all appropriate legislative, administrative, social and educational measures to protect the child from all forms of physical or mental violence, injury or abuse, neglect or negligent treatment, maltreatment or exploitation, including sexual abuse, while in the care of parent (s), legal guardian (s) or any other person who has the care of the child.
1 Rhaid i Bartïon Gwladwriaethau gymryd pob mesur deddfwriaethol, gweinyddol, cymdeithasol ac addysgol sy'n briodol i amddiffyn y plentyn rhag pob ffurf gorfforol neu feddyliol ar drais, anaf neu gamdriniaeth, esgeulustod neu driniaeth esgeulus, camarfer neu gamfanteisio, gan gynnwys camdriniaeth rywiol, tra bo yng ngofal rhiant (rhieni), gwarcheidwad (gwarcheidwaid) neu unrhyw berson arall sydd â gofal dros y plentyn.
2 Such protective measures should, as appropriate, include effective procedures for the establishment of social programmes to provide necessary support for the child and for those who have the care of the child, as well as for other forms of prevention and for identification, reporting, referral, investigation, treatment and follow-up of instances of child maltreatment described heretofore, and, as appropriate, for judicial involvement.
2 Dylai'r mesurau amddiffynnol hynny gynnwys, fel y bo'n briodol, weithdrefnau effeithiol ar gyfer sefydlu rhaglenni cymdeithasol i roi cymorth angenrheidiol i'r plentyn ac i'r rhai sydd â gofal drosto, yn ogystal ag ar gyfer ffurfiau eraill ar atal ac ar gyfer canfod achosion o gam-drin plant fel y'u disgrifiwyd cyn hyn, hysbysu o'r achosion hynny, eu hatgyfeirio, ymchwilio iddynt, eu trin a'u dilyn ac, fel y bo'n briodol, ar gyfer cyfranogiad barnwrol.
Article 20
Erthygl 20
1 A child temporarily or permanently deprived of his or her family environment, or in whose own best interests cannot be allowed to remain in that environment, shall be entitled to special protection and assistance provided by the State.
1 Bydd hawlogaeth gan blentyn sydd wedi ei amddifadu dros dro neu'n barhaol o'i amgylchfyd teuluol, neu nad oes modd caniatáu iddo, er lles pennaf ef ei hun, aros yn yr amgylchfyd hwnnw, i gael amddiffyniad a chymorth arbennig a ddarperir gan y Wladwriaeth.
2 States Parties shall in accordance with their national laws ensure alternative care for such a child.
2 Rhaid i Bartïon Gwladwriaethau, yn unol â'u cyfreithiau cenedlaethol, sicrhau gofal amgen i blentyn o'r fath.
3 Such care could include, inter alia, foster placement, kafalah of Islamic law, adoption or if necessary placement in suitable institutions for the care of children. When considering solutions, due regard shall be paid to the desirability of continuity in a child's upbringing and to the child's ethnic, religious, cultural and linguistic background.
3 Gallai'r gofal hwnnw gynnwys, ymhlith pethau eraill, leoliad maeth, caffala cyfraith Islamaidd, mabwysiad neu, os yw'n angenrheidiol, lleoliad mewn sefydliadau addas ar gyfer gofalu am blant. Wrth bwyso a mesur datrysiadau, rhaid rhoi sylw priodol i'r ffaith ei bod yn ddymunol cael parhad ym magwraeth plentyn ac i'w gefndir ethnig, crefyddol, diwylliannol ac ieithyddol.
Article 21
Erthygl 21
States Parties that recognize and/or permit the system of adoption shall ensure that the best interests of the child shall be the paramount consideration and they shall:
Rhaid i Bartïon Gwladwriaethau sy'n cydnabod ac yn/neu'n caniatáu'r system fabwysiadu sicrhau mai'r ystyriaeth oruchaf fydd lles pennaf y plentyn a rhaid iddynt:
ensure that the adoption of a child is authorized only by competent authorities who determine, in accordance with applicable law and procedures and on the basis of all pertinent and reliable information, that the adoption is permissible in view of the child's status concerning parents, relatives and legal guardians and that, if required, the persons concerned have given their informed consent to the adoption on the basis of such counselling as may be necessary;
sicrhau bod mabwysiad plentyn yn cael ei awdurdodi gan neb ond awdurdodau cymwys sy'n penderfynu, yn unol â'r gyfraith a'r gweithdrefnau sy'n gymwysadwy ac ar sail pob gwybodaeth berthnasol a dibynadwy, y gellir caniatáu'r mabwysiad oherwydd statws y plentyn o ran rhieni, perthnasau a gwarcheidwaid cyfreithiol a bod y personau o dan sylw, os yw'n ofynnol iddynt wneud hynny, wedi cydsynio'n ddeallus â'r mabwysiad ar sail unrhyw gwnsela a oedd yn angenrheidiol;
recognize that inter-country adoption may be considered as an alternative means of child's care, if the child cannot be placed in a foster or an adoptive family or cannot in any suitable manner be cared for in the child's country of origin;
cydnabod y gellir ystyried mabwysiad trawswladol fel dull amgen o ofalu am blentyn, os na ellir ei leoli mewn teulu maeth neu deulu mabwysiadol neu os na ellir gofalu am y plentyn mewn unrhyw ffordd addas yn y wlad y tarddodd ohoni;
ensure that the child concerned by inter-country adoption enjoys safeguards and standards equivalent to those existing in the case of national adoption;
sicrhau bod y plentyn y mae mabwysiad trawswladol yn ymwneud ag ef yn mwynhau trefniadau diogelu a safonau sy'n cyfateb i'r rhai sy'n bodoli yn achos mabwysiadu cenedlaethol;
take all appropriate measures to ensure that, in inter-country adoption, the placement does not result in improper financial gain for those involved in it;
cymryd pob mesur priodol i sicrhau, yn achos mabwysiad trawswladol, na fydd y lleoliad yn arwain at elw ariannol amhriodol i'r rhai sy'n ymwneud â'r mabwysiad hwnnw;
promote, where appropriate, the objectives of the present article by concluding bilateral or multilateral arrangements or agreements, and endeavour, within this framework, to ensure that the placement of the child in another country is carried out by competent authorities or organs.
hybu, pan fo'n briodol, amcanion yr erthygl bresennol drwy gwblhau trefniadau neu gytundebau dwyochrog neu amlochrog, ac ymdrechu, o fewn y fframwaith hwn, i sicrhau bod lleoliad y plentyn mewn gwlad arall yn cael ei gyflawni gan awdurdodau neu gyrff cymwys.
Article 22
Erthygl 22
1 States Parties shall take appropriate measures to ensure that a child who is seeking refugee status or who is considered a refugee in accordance with applicable international or domestic law and procedures shall, whether unaccompanied or accompanied by his or her parents or by any other person, receive appropriate protection and humanitarian assistance in the enjoyment of applicable rights set forth in the present Convention and in other international human rights or humanitarian instruments to which the said States are Parties.
1 Rhaid i Bartïon Gwladwriaethau gymryd mesurau priodol i sicrhau y caiff plentyn sy'n ceisio statws ffoadur neu sy'n cael ei ystyried yn ffoadur yn unol â chyfraith ryngwladol neu ddomestig a gweithdrefnau rhyngwladol neu ddomestig sy'n gymwysadwy, p'un a yw'n dod heb neb gydag ef neu'n dod gyda'i rieni neu unrhyw berson arall, amddiffyniad priodol a chymorth dyngarol i fwynhau'r hawliau cymwysadwy sydd wedi eu nodi yn y Confensiwn presennol ac mewn offerynnau hawliau dynol rhyngwladol eraill neu offerynnau dyngarol rhyngwladol eraill y mae'r Gwladwriaethau a enwyd yn Bartïon iddynt.
2 For this purpose, States Parties shall provide, as they consider appropriate, co-operation in any efforts by the United Nations and other competent intergovernmental organizations or non-governmental organizations co-operating with the United Nations to protect and assist such a child and to trace the parents or other members of the family of any refugee child in order to obtain information necessary for reunification with his or her family. In cases where no parents or other members of the family can be found, the child shall be accorded the same protection as any other child permanently or temporarily deprived of his or her family environment for any reason, as set forth in the present Convention.
2 At y diben hwn, rhaid i Bartïon Gwladwriaethau gydweithredu, yn ôl yr hyn sy'n briodol yn eu barn hwy, ag unrhyw ymdrechion gan y Cenhedloedd Unedig a sefydliadau rhynglywodraethol neu anllywodraethol cymwys eraill sy'n cydweithredu gyda'r Cenhedloedd Unedig i amddiffyn a chynorthwyo'r plentyn hwnnw ac i olrhain rhieni unrhyw blentyn sy'n ffoadur neu aelodau eraill o'i deulu er mwyn cael gwybodaeth a fyddai'n angenrheidiol iddo ailymuno â'i deulu. Mewn achosion lle na ellir dod o hyd i unrhyw rieni neu aelodau eraill o'r teulu, rhaid rhoi i'r plentyn yr un amddiffyniad ag unrhyw blentyn arall sydd wedi ei amddifadu'n barhaol neu dros dro o'i amgylchfyd teuluol am unrhyw reswm, fel a nodwyd yn y Confensiwn presennol.
Article 23
Erthygl 23
1 States Parties recognize that a mentally or physically disabled child should enjoy a full and decent life, in conditions which ensure dignity, promote self-reliance and facilitate the child's active participation in the community.
1 Mae Partïon Gwladwriaethau yn cydnabod y dylai plentyn sydd ag anabledd meddyliol neu gorfforol fwynhau bywyd llawn a gweddus, mewn amodau sy'n sicrhau urddas, yn hybu hunanddibyniaeth ac yn hwyluso cyfranogiad gweithredol y plentyn yn y gymuned.
2 States Parties recognize the right of the disabled child to special care and shall encourage and ensure the extension, subject to available resources, to the eligible child and those responsible for his or her care, of assistance for which application is made and which is appropriate to the child's condition and to the circumstances of the parents or others caring for the child.
2 Mae Partïon Gwladwriaethau yn cydnabod hawl y plentyn anabl i gael gofal arbennig a rhaid iddynt hyrwyddo'r broses, yn ddarostyngedig i'r adnoddau sydd ar gael, o estyn i'r plentyn cymwys a'r rhai sy'n gyfrifol dros ofalu amdano, y cymorth y mae cais yn cael ei wneud amdano ac sy'n briodol i gyflwr y plentyn ac i amgylchiadau'r rhieni neu'r personau eraill sy'n gofalu am y plentyn a rhaid iddynt sicrhau y caiff y cymorth hwnnw ei estyn iddo.
3 Recognizing the special needs of a disabled child, assistance extended in accordance with paragraph 2 of the present article shall be provided free of charge, whenever possible, taking into account the financial resources of the parents or others caring for the child, and shall be designed to ensure that the disabled child has effective access to and receives education, training, health care services, rehabilitation services, preparation for employment and recreation opportunities in a manner conducive to the child's achieving the fullest possible social integration and individual development, including his or her cultural and spiritual development
3 Gan gydnabod anghenion arbennig plentyn anabl, rhaid i gymorth a estynnir yn unol â pharagraff 2 o'r erthygl bresennol gael ei roi yn ddi-dâl, pryd bynnag y bo'n bosibl, gan ystyried adnoddau ariannol y rhieni neu'r personau eraill sy'n gofalu am y plentyn, a rhaid iddo fod wedi ei gynllunio i sicrhau bod y plentyn anabl yn cael mynediad effeithiol at addysg, hyfforddiant, gwasanaethau gofal iechyd, gwasanaethau adsefydlu, cyfleoedd i baratoi ar gyfer cyflogaeth a chyfleoedd hamdden, a'i fod yn eu cael, a hynny mewn modd sy'n ei gwneud hi'n hwylus i'r plentyn integreiddio i'r graddau llawnaf posibl â'r gymdeithas ac i ddatblygu fel unigolyn, gan gynnwys datblygu yn ddiwylliannol ac yn ysbrydol.
4 States Parties shall promote, in the spirit of international cooperation, the exchange of appropriate information in the field of preventive health care and of medical, psychological and functional treatment of disabled children, including dissemination of and access to information concerning methods of rehabilitation, education and vocational services, with the aim of enabling States Parties to improve their capabilities and skills and to widen their experience in these areas. In this regard, particular account shall be taken of the needs of developing countries.
4 Rhaid i Bartïon Gwladwriaethau hybu, yn ysbryd cydweithrediad rhyngwladol, y broses o gyfnewid gwybodaeth briodol ym maes gofal iechyd ataliol ac ym maes triniaeth feddygol, seicolegol a gweithredol plant anabl, gan gynnwys lledaenu gwybodaeth ynghylch dulliau adsefydlu, addysg a gwasanaethau galwedigaethol a mynediad at yr wybodaeth honno, gan anelu at alluogi Partïon Gwladwriaethau i wella eu galluoedd a'u sgiliau ac ehangu eu profiad yn y meysydd hyn. Yn hyn o beth, rhaid rhoi sylw penodol i anghenion gwledydd sy'n datblygu.
Article 24
Erthygl 24
1 States Parties recognize the right of the child to the enjoyment of the highest attainable standard of health and to facilities for the treatment of illness and rehabilitation of health. States Parties shall strive to ensure that no child is deprived of his or her right of access to such health care services.
1 Mae Partïon Gwladwriaethau yn cydnabod hawl y plentyn i fwynhau'r safon iechyd uchaf y gellir ei chyrraedd ac i gael cyfleusterau ar gyfer trin afiechyd ac adfer i iechyd. Rhaid i Bartïon Gwladwriaethau ymdrechu i sicrhau na chaiff unrhyw blentyn ei amddifadu o'i hawl i gael mynediad at y gwasanaethau gofal iechyd hynny.
2 States Parties shall pursue full implementation of this right and, in particular, shall take appropriate measures:
2 Rhaid i Bartïon Gwladwriaethau fwrw ymlaen â gweithredu'r hawl hon yn llawn ac, yn benodol, rhaid iddynt gymryd mesurau priodol i wneud y canlynol:
to diminish infant and child mortality;
lleihau cyfradd marwolaethau babanod a phlant;
to ensure the provision of necessary medical assistance and health care to all children with emphasis on the development of primary health care;
sicrhau bod cymorth meddygol a gofal iechyd angenrheidiol yn cael eu darparu i bob plentyn gyda phwyslais ar ddatblygu gofal iechyd sylfaenol;
to combat disease and malnutrition, including within the framework of primary health care, through, inter alia, the application of readily available technology and through the provision of adequate nutritious foods and clean drinking-water, taking into consideration the dangers and risks of environmental pollution;
ymladd afiechydon a diffyg maeth, gan gynnwys o fewn fframwaith gofal iechyd sylfaenol, drwy, ymhlith pethau eraill, ddefnyddio technoleg sydd ar gael yn rhwydd a thrwy ddarparu digon o fwydydd maethlon a dŵr yfed glân, gan ystyried peryglon a risgiau llygredd amgylcheddol;
to ensure appropriate pre-natal and post-natal health care for mothers;
sicrhau gofal iechyd priodol i famau cyn geni ac ar ôl geni plant;
to ensure that all segments of society, in particular parents and children, are informed, have access to education and are supported in the use of basic knowledge of child health and nutrition, the advantages of breastfeeding, hygiene and environmental sanitation and the prevention of accidents;
sicrhau bod pob segment cymdeithas, yn enwedig rhieni a phlant, yn wybodus, yn gallu cael mynediad at addysg ynghylch iechyd a maeth plant, manteision bwydo ar y fron, hylendid a glanweithdra amgylcheddol ac atal damweiniau ac yn cael cymorth i ddefnyddio gwybodaeth sylfaenol am y materion hynny;
to develop preventive health care, guidance for parents and family planning education and services.
datblygu gofal iechyd ataliol, llunio canllawiau i rieni a datblygu addysg a gwasanaethau ynghylch cynllunio teulu.
3 States Parties shall take all effective and appropriate measures with a view to abolishing traditional practices prejudicial to the health of children.
3 Rhaid i Bartïon Gwladwriaethau gymryd pob mesur effeithiol a phriodol gyda golwg ar ddiddymu arferion traddodiadol sy'n niweidiol i iechyd plant.