WHAT FACTORS PREDETERMINE THE RISK OF HAVING A HIGH-ORDER MULTIPLE PREGNANCY WITH GAMETE INTRAFALLOPIAN TRANSFER

Limiting the number of oocytes transferred at gamete intra-Fallopian t ransfer (GIFT) has limited the incidence of high-order pregnancy but a t the same time compromised the fertility potential of some patients, A review of 300 patients who have undergone GIFT using a flexible appr oach as to the number of oocytes transferred identifies the patients a t risk of high-order pregnancy as those aged under 30 years in whom mo re than six oocytes are returned and whose partner's spermatozoa have high progressive motility.