Human Reproduction, Vol. 14, No. 12, 2969-2973,
December 1999
© 1999 European Society of Human Reproduction and Embryology
Ovulation induction with low dose alternate day recombinant follicle stimulating hormone (Puregon)
1 Department of Medicine, Hope Hospital, Salford and 2 Nuffield Department of Obstetrics and Gynaecology, John Radcliffe Hospital, Headington, Oxford OX3 9DU, UK
We investigated whether a recombinant follicle stimulating hormone (FSH) (Puregon®) can be administered less frequently and at lower doses during ovulation induction than is current practice. Patients (2035 years, body mass index <30 kg/m2) with infertility and chronic anovulation secondary to polycystic ovarian syndrome and resistant to previous clomiphene treatment received (Puregon®; 100 IU, n = 17 patients, or 50 IU, n = 10 patients) on alternate days. After 2 weeks and in the absence of follicular recruitment, doses were increased stepwise at weekly intervals (50 IU/alternate days). Twenty-two cycles out of 27 were ovulatory. There were six pregnancies, five from Puregon® (100 IU) and one from Puregon® (50 IU); four pregnancies proceeded to term. The duration of stimulation (mean, range) with Puregon® (100 IU) was 16.4, 729 and Puregon® (50 IU) 19.1, 838 days. The gonadotrophin doses administered (mean; range) were 689, 2001800 IU (Puregon® 50 IU) and 939, 4002300 IU (Puregon® 100 IU). We conclude that low dose alternate day Puregon® treatment is suitable for this difficult patient group.
Key words: ovulation induction/Puregon®/recombinant FSH
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