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- Title
Subclinical Pregnancy Losses Among Women Undergoing In-Vitro Fertilization with ICSI.
- Authors
Ulug, Ulun; Tosun, Suleyman; Jozwiak, Esra Aksoy; Mesut, Ali; Sismanoglu, Alper; Bahceci, Mustafa
- Abstract
Background: The purpose of this study is to asses the frequency of subclinical pregnancy loss (SPL) among women undergoing controlled ovarian hyperstimulation (COH) and in-vitro fertilization with ICSI. Methods: The study was retrospectively conducted in a private IVF center. SPL was defined by a temporary rise in serum βhCG, along with the absence of signs of intra- and extra-uterine pregnancy by transvaginal ultrasonography. Overall 5273 COH and ICSI cycles with embryo transfer (ET) were segregated according to serum E2 levels percentiles (-24th, 25th, 74th, and 75th), women age and the type of spermatozoa for assisted fertilization (ejaculated and surgically retrieved). Those groups were assessed for SPL rates. Results: Among the 3125 (59.25) conception cycles, 305 (9.7%) were diagnosed as SPL. There was no difference in SPL rate among E2 percentile groups. Women older than 35 years of age had significantly higher rate of SPL compared to younger women. There was also no difference in SPL rate among pregnancies in whom surgically retrieved spermatozoa used or ejaculated spermatozoa used for assisted fertilization. Conclusion: Our results demonstrated that SPL rate was not influenced by the levels of E2 during COH or the origin of spermatozoa used for assisted fertilization. However, maternal age was found to be detrimental for SPL.
- Subjects
FERTILIZATION in vitro; REPRODUCTIVE technology; WOMEN; ESTRADIOL; TRANSVAGINAL ultrasonography; SPERMATOZOA
- Publication
Journal of Assisted Reproduction & Genetics, 2006, Vol 23, Issue 6, p261
- ISSN
1058-0468
- Publication type
Article
- DOI
10.1007/s10815-006-9038-0