coital

1.post-coital contraception.

性交避孕。

2.Head and neck muscles often tighten during sexual activity, and blood pressure can increase at orgasm, causing blood vessels in the brain to dilate, a condition technically named coital cephalgia.

在性活动中，头部和颈部的肌肉通常会收缩，而性高潮时血压会增高。这些情会导致大脑中的血管扩张，在学术上这种情为“性交性头痛”。