已知近期分娩且正在哺乳的妇女置入IUD时疼痛明显较轻。为阐明这种疼痛减轻与IUD置入力之间的关系,作者重新研究了IUD置入力的测定数据,并将近期分娩且正在哺乳的妇女与近期未分娩也未哺乳的妇女置入IUD所需的力进行比较。从222例已测定IUD置入力的妇女中除去119例未产妇,对其余103例妇女就年龄(±3岁)、产次和所置IUD的类型进行配对。将其中28例近 It is known that women who have recently delivered and who are breast-feeding have significantly less pain when they are placed in the IUD. To elucidate the relationship between this pain-relieving and IUD insertion, the authors re-measured the IUD insertion force measurement data and compared the recent data required for IUD insertion between women who were delivered and who were breastfeeding to women who had not delivered or were not breastfeeding recently Force comparison. 119 non-mothers were removed from 222 women who had measured IUD insertion, and the remaining 103 women were matched for age (± 3 years), parity and type of IUD set. 28 of them will be near