The term “missionary” was the first to become popular in the 1960s and 1970s, and many couples continue to prefer this position, including during the early sex of pregnancy. (In one Polish study, for example, women said they are most likely choosing a missionary position in the first quarter.)

The missionary position is fine early in pregnancy, but it can become uncomfortable because your pregnancy is progressing. Starting when looking for about 20 weeks, lending on your back allows you to press your inferior venus coffee, a big blood vessel that sends you blood. Compressing this could interfere with blood flow to your baby.

If you try the missionary position after the first quarter, the kid pillow below you, so you’re inclined and don’t lie flat on your back. And make sure your partner supports your hands or forearm on both sides, so they don’t wear the weight on the abdomen.