Comparative analysis of in vitro fertilization methods for establishing successful embryo transfer clinics

Kruger T.F. ; Lopata A. ; Rosich H.M.E. (1985)


A review of the laboratory methods and embryo transfer procedures used by seven of the foremost clinics in the world is discussed and evaluated in this article. Based on these facts an in vitro fertilization clinic was launched in 1983. In the second part of the paper the latest laboratory methods, i.e. ovulation induction plans and the embryo transfer technique of Tygerberg Hospital, are described. One hundred and thirty laparoscopies were performed from 1 May 1984-30 November 1984. Six hundred and one follicles were aspirated, 482 oocytes were obtained, 84% of all oocytes were fertilized, 112 patients reached the transfer stage and 28 pregnancies resulted. A clinical pregnancy rate of 21.4% per transfer and 18.5% per laparoscopy resulted.

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