Disease Gene No. of Cycles No. of Couples No. of clinical pregnancies No. of pregnancies still ongoing No. of pregnancies delivered
Li-Fraumeni Syndrome p53 2 1 0 0 0
Neurofibromatosis type 1 NF1 4 3 1 1 0
Retinoblastoma RB1 4 2 0 0 0
von Hippel-Lindau syndrome VHL 1 1 0 0 0
Total   11 7 1 1 0