Table 7: Percentage of women who were recorded as smoking at initial assessment and at birth, by health board providing the service and age of mother, 2016 to 2020 (MS Excel)
Tabl 7: Canran y menywod y cofnodwyd eu bod yn smygwyr yn yr asesiad cychwynnol ac ar adeg yr enedigaeth, yn ôl bwrdd iechyd sy'n darparu'r gwasanaeth ac oedran y fam, 2016 i 2020 (MS Excel)