If a woman experiences orgasm during sex, she is more likely to become pregnant, since orgasmic spasms in pelvic muscles help move sperm up the vaginal canal to the uterus.

• 如果女性在做爱期间经历高潮，她怀孕的机率会上升。因为高潮痉挛使骨盆肌肉松弛从而使精子容易到达子宫。