A purposive sampling method was used to recruit 54 mothers attending an In Vitro Fertilization/Embryo Transfer and Tubal Embryo Transfer program at an infertility center in central Taiwan.

• 本研究采立意取样，样本来自于中部某不孕症研究中心接受胚胎植入成功怀孕的幼儿母亲，共收取54位个案。