Vitamin D improves endometrial thickness in PCOS women who need intrauterine insemination: a randomized double-blind placebo-controlled trial.

Document Type

Article

Abstract

PURPOSE: To determine whether administration of vitamin D affects the success rates of intra uterine insemination (IUI) in infertile polycystic ovarian syndrome (PCOS) women and their endometrial thickness.

METHODS: This randomized, double-blind, placebo-controlled trial was conducted in an infertility clinic of Women's Hospital, and 110 infertile PCOS patients undergoing IUI were randomly divided to receive vitamin D or placebo. Endometrial thickness, IUI results, number of dominant follicles, duration of IUI cycle, and dose of HMG used in IUI were determined.

RESULTS: The endometrial thickness was significantly different in the group treated with vitamin D versus the placebo group (p = 0.003). There was no statistical difference in pregnancy out come between the two groups (RR = 1.167, CI 95 % 0.70-1.93). No statistical difference was found in number of dominant follicles (p = 0.96), duration of IUI cycles (p = 0.70) and dose of HMG used for IUI (p = 0.95).

CONCLUSIONS: It seems that administration of vitamin D induces endometrial proliferation in PCOS women during IUI cycle. The study was recorded in Iranian Registry of Clinical Trials(IRCT201104216246N1).

Medical Subject Headings

Adult; Double-Blind Method; Endometrium; Female; Humans; Infertility, Female; Insemination, Artificial; Ovarian Follicle; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Rate; Ultrasonography; Vitamin D; Vitamins

Publication Date

4-1-2014

Publication Title

Archives of gynecology and obstetrics

ISSN

1432-0711

Volume

289

Issue

4

First Page

865

Last Page

870

PubMed ID

24158736

Digital Object Identifier (DOI)

10.1007/s00404-013-3055-x

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