Pregnancies from Fallopian replacement of immature eggs with delayed intrauterine insemination

Gamete intrafallopian transfer requires that a woman shouldnot only have patent tubes but should also have had mature eggscollected for replacement. Eggs must be collected as close toovulation as possible, to give them a good chance of fertilizingupon replacing them directly into the tubes with the spermatozoa.Preliminary results from the three patients who received Fallopianreplacement of immature eggs followed by delayed intrauterineinsemination indicate that maturation of eggs can occur in vivoin the Fallopian tubes. Intrauterine insemination at a latertime when the eggs were judged to be mature has given rise totwo pregnancies from the three patients with whom this procedurewas adopted