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Updated: Jul 13, 2026

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Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model
Published on: May 16, 2019
Firm versus soft embryo transfer catheters under ultrasound guidance: does catheter choice really influence the
Ismail Aboulfotouh1, Ahmed M Abou-Setta2, Sherif Khattab1
1The International Egyptian IVF Center, Cairo, Egypt; Department of Obstetrics and Gynaecology, Faculty of Medicine, Cairo University, Cairo, Egypt.
Fertility and Sterility
|July 24, 2007
Abstract:
In contrast to the previously published evidence, under ultrasound guidance, individual catheter choice does not statistically significantly affect the clinical pregnancy rate in a modern clinical IVF practice. This may be as a result of decreasing the incidence of difficult transfers and endometrial injury with ET under ultrasound guidance.

