A non-randomized comparative clinical trial of the progestin-only oral contraceptive (POC),
Ovrette (75 mcg norgestrel)(Wyeth), versus non-hormonal methods was conducted at two …

The ovulation inhibiting potency of the synthetic progestin ST 1435 (Nestorone™) is high
after parenteral administration and practically nil after oral administration. The purpose of …

Recommendations to interrupt or discontinue nursing are far too prevalent among health
care providers in the United States. Despite available reference texts and drug information …

Breast milk is a primary source of nutrition that contains many endogenous compounds that
may affect infant development. The goals of this study were to develop reliable assays for …

Progestogen-only minipills and other systems for releasing low doses of progestogens
alone are widely used for contraception in breast-feeding women around the world. There is …

An estimated 16 million women throughout the world are currently relying on injectable
steroids for contraception. The choice of injectable methods includes products effective for 3 …

Breast-feeding reduces fertility, and this seems to be related, in part, to an enhancement of
the sensitivity of the GnRH system to the negative feedback effects of estradiol related to …

In the late 1990s, the World Health Organization (WHO) created the Medical Eligibility
Criteria for Contraceptive Use (MEC), which provide evidence‐based recommendations for …

The probability of pregnancy is very small during the first 2 months after delivery if the
mother breast-feeds. The risk remains small for 6 months if the mother is fully breastfeeding …

Growth, development and health of infants whose mothers used progestogen-only
contraceptives during lactation were examined in a prospective, non-randomized study …