The Effect of Norethindrone-Mestranol on Cervical Mucus

Bowman, James A.

doi:10.1097/00006254-196907000-00012

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1971

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“…Investigators (4)(5)(6)(7)(8)(9)(10) have reported decreased or absence of sperm penetration during the entire cycle of women taking the combination type oral contraceptive pill; the hemocytometer technique, the slide and the post-coital tests were employed by the workers cited. Moghissi (8) contended that reduced penetration might protect women from "breakthrough ovulation" when lower doses of oral contraceptives were used.…”

Section: Introductionmentioning

confidence: 99%

Cervical mucus sperm penetration in women on oral contraception or with an IUD

Ansbacher

Campbell

1971

Contraception

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Penetration of cervical mucus by spermatozoa was observed in cycling and infertile women, in women on sequential or combination oral contraceptive medication, and in women with an IUD in situ. _-Sperm penetration of cervical mucus varied from women not using contraceptives and from infertile women, to patients taking sequential conception control pills. In cycling women penetration was low in the early proliferative phase, high at mid-cycle, and low again in the luteal phase. The infertility patients, studied around mid-cycle, had high penetration. Patients on the sequential pill had moderate to high penetration throughout the cycle. Patients using IUD's had higher than anticipated sperm penetration, especially during the luteal phase of the cycle (p

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