As a “mini pill”, meaning that it only contains progestin (a synthetic form of progesterone), not a combination of progestin and estradiol (a synthetic form of estrogen), Opill has been shown ...

Combination pills contain both progestin (a synthetic form of progesterone) and estrogen, while mini pills only contain progestin. Both need to be taken consistently to prevent pregnancy ...

Change the time you take a progestin-only pill gradually Progestin-only pills, also known as mini-pills, lack estrogen and only contain progestin, which is a synthetic form of progesterone.

Progesterone only pills are often referred to as mini-pills. The active ingredient in Slinda is a progestogen, which is a synthetic derivative of progesterone, which makes the medication a mini-pill.

Although American scientists had been busy studying hormones in the 1930s and 1940s, Margaret sanger's dream of a pill for birth ... This synthetic progesterone was not only orally effective ...