👉 Luctation is a medical condition that occurs when the uterus and cervix are stretched during pregnancy, causing contractions. These contractions can be painful or uncomfortable for the mother and her partner. Luctation can occur at any time from the beginning of the first trimester to the end of the second trimester of pregnancy. It's important to seek medical attention if you experience luctation as it may indicate a serious condition, such as前置胎盘或前置胎盘。