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Low-dose human chorionic gonadotropin alone can complete follicle maturity: successful application to modified natural cycle in vitro fertilization.

Abstract：

OBJECTIVE:To investigate the feasibility of utilizing low-dose hCG alone to complete follicle maturity in a natural cycle, without the need for antecedent exogenous FSH stimulation. DESIGN:Case series. SETTING:Academic fertility program. PATIENT(S):Normally ovulatory women with infertility thought to be predominantly due to male factor. INTERVENTION(S):Modified natural IVF cycles were conducted as follows: natural ovulatory cycles were monitored with serial ultrasound examinations and serum E2 determinations. When the lead follicle reached preovulatory status according to cycle day, ultrasound, and E2 levels, 0.25 mg of the GnRH antagonist ganirelix acetate was administered along with 200 IU of hCG. These medications were repeated daily for 2 to 3 days with further serial monitoring. A trigger dose of 10,000 IU of hCG was followed by follicle aspiration, IVF, and ET in a standard manner. MAIN OUTCOME MEASURE(S):Follicle maturity, live births, documentation of the feasibility of this new approach. RESULT(S):In all cases, E2 levels rose and the dominant follicle continued to increase in size in response to low-dose hCG after GnRH antagonist administration. Follicle aspiration yielded one or more mature oocytes. In vitro fertilization and ET resulted in live births. CONCLUSION(S):Low-dose hCG can be used to complete follicle maturity in a natural cycle without the need for antecedent exogenous FSH stimulation. This finding may have strong clinical utility in modified natural cycle IVF.

journal_name

Fertil Steril

journal_title

Fertility and sterility

authors

Paulson RJ,Chung K,Quaas AM,Mucowski SJ,Jabara SI,Bendikson KA

doi

10.1016/j.fertnstert.2016.01.021

subject

Has Abstract

pub_date

2016-05-01 00:00:00

pages

1228-1231

issue

5

eissn

0015-0282

issn

1556-5653

pii

S0015-0282(16)00062-5

journal_volume

105

pub_type

杂志文章

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