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Study of two strategies to induce follicular wave emergence for assisted reproductive treatments (ART)-a preliminary trial.

Abstract：

PURPOSE:This study aimed to induce follicular wave emergence (FWE) using pharmacological (recombinant hCG administration) or mechanical (aspiration of dominant follicle) interventions in infertile women. METHODS:Sixteen infertile women (≤35 years) with indications for in vitro fertilization due to tubal and/or male factor infertility were randomized into three groups: control (n = 6), pharmacological (n = 5) and mechanical (n = 5) groups. Women in both experimental groups underwent serial transvaginal sonograms (TVS) from menstrual cycle day 10 until identification of a dominant follicle ≥15 mm. Women in the pharmacological group received 250 μg of recombinant-hCG to induce ovulation, and resumed serial TVS 2 days later. In the mechanical group, dominant and subordinate follicles ≥10 mm were aspirated, and daily TVS was resumed on the following day. An increased pool of follicles ≥5 and ≤9 mm after interventions characterized FWE. Women in the control group underwent ovulation induction (OI) with 150 IU/day of recombinant follicle-stimulating hormone started on menstrual cycle day 3 (D3). OI was started on the day of FWE in the experimental groups. Endometrial asynchrony with development of the embryo was expected in the experimental groups. Therefore, all viable embryos were cryopreserved and transferred in an endometrial-stimulated cycle. RESULTS:The number of follicles ≥5 and ≤9 mm increased after the interventions in both experimental groups (p < .001), indicating induction of FWE. OI outcomes were similar among the groups. CONCLUSIONS:The pharmacological and mechanical interventions are efficient in inducing FWE; outcomes of OI synchronized with FWE should be further investigated.

journal_name

J Assist Reprod Genet

journal_title

Journal of assisted reproduction and genetics

authors

Bianchi PH,Viera LM,Gouveia GR,Rocha AM,Baruselli PS,Baracat EC,Serafini PC

doi

10.1007/s10815-015-0432-3

subject

Has Abstract

pub_date

2015-04-01 00:00:00

pages

543-9

issue

eissn

1058-0468

issn

1573-7330

journal_volume

pub_type

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Study of two strategies to induce follicular wave emergence for assisted reproductive treatments (ART)-a preliminary trial.