Expectant mothers are extremely excited when they are pregnant with their baby. However, as the weeks went by, the belly got bigger and bigger, and even simple sleep became a problem that troubled the expectant mother. If you lie on your back, you will feel uncomfortable; if you lie on your side, you are afraid of pressing the baby; if you lie on your stomach, it is even more unscientific. The Importance of Sleeping Position During Pregnancy After a woman becomes pregnant, the fetus gradually grows in the womb. The uterus, which originally resembled a pear-shaped inverted uterus, became the size of a watermelon at full-term pregnancy. uterine