Fertility and sterility
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Fertility and sterility · Sep 2009
Randomized Controlled TrialComparison of efficacy of aromatase inhibitor and clomiphene citrate in induction of ovulation in polycystic ovarian syndrome.
To compare the effectiveness of letrozole and clomiphene citrate (CC) in induction of ovulation in polycystic ovary syndrome (PCOS). ⋯ Letrozole has better ovulation and PR in comparison to CC in patients with PCOS.
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Fertility and sterility · Sep 2009
Randomized Controlled TrialClomiphene citrate or anastrozole for ovulation induction in women with polycystic ovary syndrome? A prospective controlled trial.
To compare the effects of anastrozole (1 mg) and clomiphene citrate (CC; 100 mg) used for ovulation induction in women with polycystic ovary syndrome. ⋯ Anastrozole was associated with significantly fewer mature and growing follicles, thicker endometrium, and slightly higher pregnancy rate. Anastrozole may be helpful in situations in which multiple pregnancy is not desirable or the risk of ovarian hyperstimulation syndrome is high.
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Fertility and sterility · Sep 2009
Randomized Controlled TrialClomiphene citrate or letrozole for ovulation induction in women with polycystic ovarian syndrome: a prospective randomized trial.
To compare the effects of letrozole (5 mg) and clomiphene citrate (100 mg) for ovulation induction in women with polycystic ovary syndrome (PCOS). ⋯ The results of this study did not show any advantage to the use of letrozole over clomiphene citrate as a first-line treatment for induction of ovulation in women with PCOS.
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Fertility and sterility · Sep 2009
Ultrasonographer experience does not impact outcomes following ultrasound-guided embryo transfer.
To determine the effect of sonographer experience during ultrasound guided embryo transfer on pregnancy outcomes. ⋯ The clinical experience of the person performing ultrasound guidance during IVF-ET does not have an effect on clinical outcome. Thus, the use of an assistant without formal ultrasound training during IVF-ET is a reasonable option.
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Fertility and sterility · Sep 2009
CommentLetrozole versus clomiphene citrate: which is better for ovulation induction?
Letrozole is at least as effective as clomiphene for inducing ovulation and achieving pregnancy in patients with polycystic ovarian syndrome. Potential advantages of letrozole include reduced multiple pregnancies, absence of antiestrogenic adverse effects, and the subsequent need for less intensive monitoring.