Low Dose hCG Support in Modified Natural Frozen Embryo Transfer Cycles

What is the effect of a single low-dose recombinant hCG injection after embryo transfer (ET) in letrozole-induced modified natural frozen embryo transfer cycles (mNC-FET)?. An observational study was conducted in the university-affiliated referral clinic between 2022 and 2024. Women aged 18–42 with...

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Bibliographic Details
Published in:Reproductive sciences (Thousand Oaks, Calif.) Calif.), 2024-08, Vol.31 (8), p.2534-2536
Main Authors: Pabuccu, Emre, Deniz, Deniz Han, Valadova, Aytekin, Pabuccu, Recai
Format: Article
Language:English
Subjects:
Adolescent
Adult
Chorionic Gonadotropin - administration & dosage
Cryopreservation - methods
Embryo Transfer - methods
Embryology
Female
Humans
Letrozole - administration & dosage
Medicine
Medicine & Public Health
Obstetrics/Perinatology/Midwifery
Ovulation Induction - methods
Pregnancy
Pregnancy Rate
Reproductive Endocrinology: Short Communications
Reproductive Medicine
Young Adult
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Summary:What is the effect of a single low-dose recombinant hCG injection after embryo transfer (ET) in letrozole-induced modified natural frozen embryo transfer cycles (mNC-FET)?. An observational study was conducted in the university-affiliated referral clinic between 2022 and 2024. Women aged 18–42 with at least one vitrified blastocyst obtained from the previous cycle(s) were included. Ovulation induction for endometrial preparation was initiated with oral letrozol (5 mg/day) for five days. Ovulation was triggered using 6500 IU rec hCG sc when the leading follicle > 17 mm, endometrial thickness > 7.5 mm, and serum progesterone (P) 
ISSN:1933-7191
1933-7205
1933-7205
DOI:10.1007/s43032-024-01639-z