The antinidatory activity of oral contraceptives

Bayle, B.

Contraception Fertilite Sexualite 22(6): 391-395

1994


ISSN/ISBN: 0301-861X
PMID: 12288921
Document Number: 1251
The antinidatory activity of the oral contraception is generally unknown: the contraceptive pill mainly prevents the gamets from meeting, However, pregnancies under pill indicate conception of embryos. Besides, missed pills protocols sometimes record ovulatory escape. We suggest the computation of an Embryo Destruction Index (EDI), in order to measure the antinidatory effect of two categories of oral contraceptives: combined estroprogestatives and microprogestatives.

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The antinidatory activity of oral contraceptives