According to a "family and fertility" survey conducted by the then Taiwan Provincial Institute of Family Planning before the GHL was enacted in 1984, at that time some 32 % of Taiwanese women-one in three-had had at least one abortion.
根據當年台灣省家庭計畫研究所做的「家庭與生育力」調查，民國七十三年優生保健法實施前，有墮胎經驗的婦女比例為百分之三十二，每三位婦女中就有一位。