Table 2.

Comparison of Pregnancy Outcomes of Women With Breast Cancer Undergoing FET and Infertile Couples Undergoing Fresh Embryo Transfer

Cycle Outcomes	FP Group		Infertility Group*		P
	No. (%)	Mean ± SD	No. (%)	Mean
No. of cycles	40		20,545
Embryos transferred		1.97 ± 0.7		2.3	.014
Implantation rate†	33 of 81 (40.7)		(26.1)		.010
Live births per embryo transfer	18 of 40 (45.0)		(38.2)		.225
Twinning rate	7 of 18 (38.8)		(27.4)		.189

Abbreviation: FET, frozen embryo transfer; FP, fertility preservation; SD, standard deviation.

^*2009 data from the Society of Assisted Reproductive Technology; fresh embryo transfers originating from infertile women age 35 to 37 years.

^†Implantation rate is the total No. of pregnancy sacs per total No. of embryos transferred.