The Oldham Notebooks: an analysis of the development of IVF 1969-1978. II. The treatment cycles and their outcomes

Abstract

This paper reports on the numbers of treatment cycles involved and their outcomes. We show that between 1969 and 1978 (i) a minimum of 282 women was involved in 495 cycles of potential laparoscopic oocyte recovery (LOR), (ii) of these cycles, 457/495 proceeded to LOR to attempt egg collection, (iii) of which an outcome was recorded in 436/457, (iv) eggs were recovered in 388/436 of these, (v) inseminations were recorded in 331/388, (vi) embryos were recorded in at least 167, (vii) a total of 112 embryo transfers was attempted, and (viii) a maximum of 11 possible biochemical/preclinical pregnancies plus five clinical pregnancies was observed, (ix) from which two healthy live births resulted.