No, they have artificial estrogen.
Hormones control the release of eggs, and Birth Control pills either regulate or prevent that release.
Well, not all contain estrogen but most of them do. The other ingredient, the progesterone, is the one used to prevent pregnancy. The estrogen helps control irregular bleeding during estrogen use.
Because estrogen and progesterone hormone levels control the female cycle and the pills operate by "skewing" the cycle.
Estrogen controls the ovulation process- apex
Low dosage birth control pills are usually a BCP which contains 35mcg or less of estrogen. The very low dose birth control pills are BCP hich contains 20mcg of estrogen. The ulatre low dose birth control pills are: Alesse Mircette The Low Dose birth control pills are: LoOvral Nordette Ortho-Cept Cyclessa Yasmin.
Hormones control the release of eggs, and Birth Control pills either regulate or prevent that release.
Progesterone
The typical birth control pill contains both estrogen and progestin. Some birth control pills contain only progestin.
No they consist of progestin and, in some cases, estrogen.
Most birth control pills already contain estrogen, and taking more isn't normally done. If your pill does not contain estrogen, there is a medical reason why your health care provider chose that one for you. Talk to your helath care provider to find out why estrogen was prescribed along with the birth control pill.
Birth control pills are meant to help prevent pregnancy. That is what they're designed to do.