OVULATION
INDUCTION IN POLYCYSTIC OVARY SYNDROME
JOGC, No. 242,
May 2010; 32(5):495–502
Recommendations
1. Weight loss,
exercise, and lifestyle modifications have been proven effective in restoring
ovulatory cycles and achieving pregnancy in overweight women with PCOS and
should be the first-line option for these women. (II-3A) Morbidly obese women should
seek expert advice about pregnancy risk. (III-A)
2. Clomiphene
citrate has been proven effective in ovulation induction for women with PCOS
and should be considered the first-line therapy. Patients should be informed
that there is an increased risk of multiple pregnancy with ovulation induction using
clomiphene citrate. (I-A)
3. Metformin
combined with clomiphene citrate may increase ovulation rates and pregnancy
rates but does not significantly improve the live birth rate over that of
clomiphene citrate alone.(I-A) Metformin may be added to clomiphene citrate in women
with clomiphene resistance who are older and who have
visceral obesity.
(I-A)
4. Gonadotropin
should be considered second-line therapy for fertility in anovulatory women
with PCOS. The treatment requires ultrasound and laboratory monitoring. High
costs and the risk of multiple pregnancy and ovarian hyperstimulation syndrome
are drawbacks of the treatment. (II-2A)
5. Laparoscopic
ovarian drilling may be considered in women with clomiphene-resistant PCOS,
particularly when there are other indications for laparoscopy. (I-A) Surgical
risks need to be considered in these patients. (III-A)
6. In vitro
fertilization should be reserved for women with PCOS who fail gonadotropin
therapy or who have other indications for IVF treatment. (II-2A)
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