Document Detail

Successful in vitro maturation of human oocytes not exposed to human chorionic gonadotropin during ovulation induction, resulting in pregnancy.
MedLine Citation:
PMID:  9091349     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To report a case of successful in vitro maturation of human oocytes not exposed to hCG during ovulation induction, resulting in pregnancy after transfer of a frozen-thawed embryo resulting from intracytoplasmic sperm injection (ICSI) of the in vitro-matured human oocytes. DESIGN: Clinical study. SETTING: Hospital-based private IVF center. PATIENT(S): A couple with infertility due to severe oligospermia. INTERVENTION(S): Five immature oocytes were retrieved from a patient who failed to use hCG during ovarian stimulation and were cultured for 48 hours in B2 medium containing FSH and hCG. Five oocytes extruded the first polar body and underwent ICSI with frozen-thawed husband spermatozoa. MAIN OUTCOME MEASURE(S): In vitro maturation, fertilization after ICSI, embryo development, and pregnancy. RESULT(S): All five oocytes extruded the first polar body and were injected using ICSI. Three oocytes were fertilized, but two showed three pronuclei. The remainder, a two-pronuclei embryo subsequently cleaved and was cryopreserved. An ongoing pregnancy was obtained after-the transfer of this frozen-thawed embryo. CONCLUSION(S): Immature human oocytes at the germinal-vesicle stage that have not been exposed to hCG during ovarian stimulation can be matured in vitro and a normal pregnancy can result from ICSI of the in vitro-matured oocytes.
J Liu; E Katz; J E Garcia; G Compton; T A Baramki
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Fertility and sterility     Volume:  67     ISSN:  0015-0282     ISO Abbreviation:  Fertil. Steril.     Publication Date:  1997 Mar 
Date Detail:
Created Date:  1997-04-04     Completed Date:  1997-04-04     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0372772     Medline TA:  Fertil Steril     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  566-8     Citation Subset:  IM    
GBMC Fertility Center, Maryland 21204, USA.
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MeSH Terms
Chorionic Gonadotropin
Culture Techniques / methods
Embryo Transfer
Embryo, Mammalian
Fertilization in Vitro*
Follicle Stimulating Hormone
Oocytes / cytology*,  physiology
Ovulation Induction / methods*
Reg. No./Substance:
0/Chorionic Gonadotropin; 9002-68-0/Follicle Stimulating Hormone

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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