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Worries that oral contraceptives may cause decreased fertility were raised in early reports in the 1970s and 80s. The low estrogen dosages and newer progestins all have excellent contraceptive profiles and cycle control, and a large european study confirms their safety in terms of post-oc fertility. Cronin and colleagues tracked nearly 60,000 oc users, including those on drospirenone pills, for their satisfaction with their contraceptive efficacy and their chances of pregnancy after discontinuing oc use. Objectives to estimate the real-use contraceptive effectiveness of the combined oral contraceptive containing dienogest and estradiol valerate (dngev) and whether dngev compared to other combined oral contraceptives (ococ) has a negative effect on return to fertility. Iuds are among the most highly effective forms of contraception available thus, it is important to dispel the negative associations between iud use and future fertility. A study published in the new england journal of medicine showed the contraceptive failure rate of women who used oral contraceptive pills, the patch or the contraceptive ring. Fertility and combined oral contraceptives unintended pregnancies and planned pregnancies following oral contraceptive use results from the inas-score study. The european journal of contraception & reproductive health care vol.   long-term oral contraceptive use doesnt hurt fertility, study finds posted on april 4, 2013 long-term use of oral contraceptives does not hurt a womans chances of becoming pregnant, according to a study co-authored by researchers from the bu school of public health. Conception delay after oral contraceptive use the effect of estrogen dose. Chasan-taber l, willett wc, stampfer mj, spiegelman d, rosner ba, hunter dj, colditz ga, manson je. Oral contraceptives and ovulatory causes of delayed fertility.   the study found that the longer the women used birth control pills,. Although some previous research has suggested that using oral contraceptives may reduce fertility,. There was no association between fertility and duration of oral contraceptive use however, short term intrauterine device users ( 42 months) showed a fertility pattern more favourable than seen in those discontinuing oral contraceptives, with increasing duration of intrauterine device use being associated with decreasing fertility (linear trend p 0.).

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