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Efficacy of metformin supplementation during ovarian stimulation of lean PCOS patients undergoing in vitro fertilization.
Acta Obstet Gynecol Scand. 2009; 88(5):563-8.AO

Abstract

OBJECTIVE

To evaluate the effect of metformin addition during ovarian hyperstimulation on cycle parameters and outcome of in vitro fertilization (IVF) treatment in polycystic ovary syndrome (PCOS) patients with a body mass index (BMI) <28 kg/m(2).

DESIGN

Retrospective review of patients' records.

SETTING

Istanbul Memorial Hospital Assisted Reproductive Treatment Unit.

POPULATION

A total of 339 non-obese PCOS patients undergoing IVF were evaluated according to the supplementation of metformin.

METHODS

Cycle parameters and IVF outcomes of 220 patients given metformin were compared to those of 119 patients treated without metformin.

MAIN OUTCOME MEASURES

Implantation and pregnancy rates.

RESULTS

Metformin co-treatment led to significantly lower peak E2 levels (3,481 pg/ml vs. 4,192 pg/ml; p <0.0001). However, gonadotropin consumption, stimulation duration, numbers of total and mature oocytes retrieved, fertilization rate, and ratio of grade I embryos developed were similar in both groups. In the metformin administered group, significantly higher implantation (25% vs. 18%; p=0.003) and pregnancy rates (58% vs. 45%; p=0.04) were achieved. Abortion and moderate-severe ovarian hyperstimulation syndrome rates were found to be similar in both groups.

CONCLUSIONS

Although metformin use was especially and strongly recommended in obese PCOS cases, its supplementation during IVF in PCOS patients with a BMI <28 kg/m(2) was observed to be beneficial and efficacious.

Authors+Show Affiliations

Department of Obstetrics and Gynecology, Yeditepe University, Istanbul, Turkey. bkumbak@yahoo.comNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

19306135

Citation

Kumbak, Banu, and Semra Kahraman. "Efficacy of Metformin Supplementation During Ovarian Stimulation of Lean PCOS Patients Undergoing in Vitro Fertilization." Acta Obstetricia Et Gynecologica Scandinavica, vol. 88, no. 5, 2009, pp. 563-8.
Kumbak B, Kahraman S. Efficacy of metformin supplementation during ovarian stimulation of lean PCOS patients undergoing in vitro fertilization. Acta Obstet Gynecol Scand. 2009;88(5):563-8.
Kumbak, B., & Kahraman, S. (2009). Efficacy of metformin supplementation during ovarian stimulation of lean PCOS patients undergoing in vitro fertilization. Acta Obstetricia Et Gynecologica Scandinavica, 88(5), 563-8. https://doi.org/10.1080/00016340902835919
Kumbak B, Kahraman S. Efficacy of Metformin Supplementation During Ovarian Stimulation of Lean PCOS Patients Undergoing in Vitro Fertilization. Acta Obstet Gynecol Scand. 2009;88(5):563-8. PubMed PMID: 19306135.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Efficacy of metformin supplementation during ovarian stimulation of lean PCOS patients undergoing in vitro fertilization. AU - Kumbak,Banu, AU - Kahraman,Semra, PY - 2009/3/24/entrez PY - 2009/3/24/pubmed PY - 2009/5/21/medline SP - 563 EP - 8 JF - Acta obstetricia et gynecologica Scandinavica JO - Acta Obstet Gynecol Scand VL - 88 IS - 5 N2 - OBJECTIVE: To evaluate the effect of metformin addition during ovarian hyperstimulation on cycle parameters and outcome of in vitro fertilization (IVF) treatment in polycystic ovary syndrome (PCOS) patients with a body mass index (BMI) <28 kg/m(2). DESIGN: Retrospective review of patients' records. SETTING: Istanbul Memorial Hospital Assisted Reproductive Treatment Unit. POPULATION: A total of 339 non-obese PCOS patients undergoing IVF were evaluated according to the supplementation of metformin. METHODS: Cycle parameters and IVF outcomes of 220 patients given metformin were compared to those of 119 patients treated without metformin. MAIN OUTCOME MEASURES: Implantation and pregnancy rates. RESULTS: Metformin co-treatment led to significantly lower peak E2 levels (3,481 pg/ml vs. 4,192 pg/ml; p <0.0001). However, gonadotropin consumption, stimulation duration, numbers of total and mature oocytes retrieved, fertilization rate, and ratio of grade I embryos developed were similar in both groups. In the metformin administered group, significantly higher implantation (25% vs. 18%; p=0.003) and pregnancy rates (58% vs. 45%; p=0.04) were achieved. Abortion and moderate-severe ovarian hyperstimulation syndrome rates were found to be similar in both groups. CONCLUSIONS: Although metformin use was especially and strongly recommended in obese PCOS cases, its supplementation during IVF in PCOS patients with a BMI <28 kg/m(2) was observed to be beneficial and efficacious. SN - 1600-0412 UR - https://www.unboundmedicine.com/medline/citation/19306135/Efficacy_of_metformin_supplementation_during_ovarian_stimulation_of_lean_PCOS_patients_undergoing_in_vitro_fertilization_ L2 - https://doi.org/10.1080/00016340902835919 DB - PRIME DP - Unbound Medicine ER -