Some family planning clinics charge according to income. Take one pill once a day. Complete one pill-pack every month. Combination pills contain estrogen and progestin. Others are progestin-only.
Pills contain hormones that work in different ways.
Combination pills prevent release of egg. Both types thicken cervical mucus to keep sperm from joining egg. Both types also may prevent fertilized egg from implanting in uterus. Some family planning clinics charge according to income. The sheath may be made of thin latex, plastic, or animal tissue.