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Contraception. 2011 Nov;84(5):465-77. doi: 10.1016/j.contraception.2011.04.002. Epub 2011 Jun 8.

Fertility after discontinuation of contraception: a comprehensive review of the literature.

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1
Newcastle Sexual Health Services, New Croft Centre, Newcastle upon Tyne NE1 6ND, UK. diana.mansour@newcastle-pct.nhs.uk

Abstract

BACKGROUND:

Fear of adverse effects on subsequent fertility following reversible contraceptive use is an important concern for some women.

STUDY DESIGN:

We undertook a comprehensive and objective review of the literature for prospective studies reporting pregnancy rates in women following contraceptive cessation. One-year pregnancy rates and pregnancy outcomes are summarized.

RESULTS:

We identified and analyzed 17 studies according to preset criteria. Typical 1-year pregnancy rates following cessation of oral contraceptives or the levonorgestrel-releasing intrauterine system (LNG-IUS) ranged between about 79% and 96% and those for copper intrauterine devices (IUDs) were almost as high, ranging between about 71% and 91%. One-year pregnancy rates following cessation of contraceptive implants were between 77% and 86%, with one study showing a rate lower than 50%. For injectable contraceptives [(a) norethisterone enanthate and (b) 5 mg estradiol cypionate and 25 mg medroxyprogesterone (Cyclofem)], only two studies were reported, with 1-year pregnancy rates following cessation of 73% and 83%, respectively. There was no evidence of increased pregnancy complications or adverse fetal outcomes following cessation of any of the reversible methods reported.

CONCLUSIONS:

Overall, 1-year pregnancy rates following cessation of oral contraceptives, contraceptive implants and monthly injections, copper IUDs and the LNG-IUS are broadly similar to those reported following discontinuation of barrier methods or use of no contraceptive method.

[Indexed for MEDLINE]

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