ABSTRACT
Polycystic ovary syndrome (PCOS) is the most common cause of chronic anovulation.
Clomiphene citrate (CC) is the first-line treatment for ovulation induction for infertile
women with PCOS. In CC-resistant women, a particular surgical method, laparoscopic
ovarian drilling (LOD), has been proposed in recent years as an alternative treatment.
LOD produces overall spontaneous ovulation and pregnancy rates of 30 to 90% and 13
to 88%, respectively, for CC-resistant PCOS women. The mechanism of LOD is still unknown.
The reduction of serum androgen level is believed to be the possible mechanism of
LOD to improve spontaneous ovulation and promote fertility in women with PCOS. In
addition, LOD may cause a significant reduction in serum luteinizing hormone and insulin
levels. However, it should be kept in mind that postoperative adhesion is the most
common adverse effect of LOD, and more punctures may be responsible for premature
ovarian failure.
KEYWORDS
Polycystic ovary syndrome - laparoscopic ovarian drilling - clomiphene citrate-resistant
- pregnancy rate - ovulation rate
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Low-Tone HoM.D.
Department of Medical Research and Education
Taipei Veterans General Hospital, No. 201, Shih-Pai Road, Taipei, Taiwan
Email: ltho@vghtpe.gov.tw