Fertilization and early embryology: Incidence of microbial growth from the tip of the embryo transfer catheter after embryo transfer in relation to clinical pregnancy rate following in-vitro fertilization and embryo transfer
Open Access
- 1 August 1996
- journal article
- research article
- Published by Oxford University Press (OUP) in Human Reproduction
- Vol. 11 (8) , 1687-1689
- https://doi.org/10.1093/oxfordjournals.humrep.a019470
Abstract
A total of 110 consecutive women was studied prospectively at the time of transcervical embryo transfer followmg conventional in-vitro fertilization and intracytoplasmic sperm injection procedures. Microbiological cultures were performed on endocervical swabs and embryo transfer catheter tips. Positive microbial growths were observed from endocervical swabs in 78 (70.9%) women and from catheter tips in 54 (49.1%) women. The clinical pregnancy rates were 57.1% in the group of patients without growth and 29.6% in the group with positive microbial growth from catheter tips. As microbial contamination at embryo transfer may influence implantation rates, prospective studies are justified to determine whether eradication of endocervical micro-organisms is possible and whether their eradication will improve implantation rates.Keywords
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