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Clinical Trial
. 2004 Apr;49(4):289-93.

A Nutritional Supplement for Improving Fertility in Women: A Pilot Study

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  • PMID: 15134155
Clinical Trial

A Nutritional Supplement for Improving Fertility in Women: A Pilot Study

Lynn M Westphal et al. J Reprod Med. .

Abstract

Objective: To determine the impact of nutritional supplementation on optimization of reproductive health in women.

Study design: A double-blind, placebo-controlled pilot study was initiated to determine the effects of FertilityBlend (Daily Wellness Co., Sunnyvale, California), a proprietary nutritional supplement containing chasteberry and green tea extracts, L-arginine, vitamins (including folate) and minerals. Changes in progesterone level, basal body temperature, menstrual cycle, pregnancy rate and side effects were monitored.

Results: Thirty women aged 24-46 years who had tried unsuccessfully to conceive for 6-36 months completed the study. After 3 months, the supplement group (n = 15) demonstrated a trend toward an increase in mean midluteal phase progesterone level (from 8.2 to 12.8 ng/mL, P = .08) and a significant increase in the average number of days in the cycle with basal temperatures >37 degrees C during the luteal phase (6.8-9.7 days, P = .04). The placebo group (n = 15) did not show any notable changes after treatment in any of the parameters studied. After 5 months, 5 of the 15 women in the supplement group were pregnant (33%), and none of the 15 women in the placebo group were (P <.01). No significant side effects were noted.

Conclusion: Nutritional supplementation may provide an attractive alternative or complement to conventional fertility therapy.

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