Table 1.

Pregnancy type by mode of conception

Mode of Conception	Total number of patients	Average Age (Range)
In vitro fertilization	218 (72.9 %)	38.0 (22–45)
Ovulation induction without IUI	8 (2.7 %)	36 (26–42)
Ovulation Induction with IUI	24 (8.0 %)	37 (25–42)
Natural Cycles (no IUI)	14 (4.7 %)	39 (32–41)
Spontaneous Pregnancy	9 (3.0 %)	40 (31–47)
Frozen Embryo Transfer	11 (3.7 %)	38.0 (27–43)
Donor Egg Recipienta	7 (2.3 %)	27.0 (22–30)
IVF with PGD	6 (2.0 %)	37.0 (32–42)
Frozen donor egg recipienta	2 (0.7 %)	31.5 (31–32)

^aAge of donors included where appropriate