Which of the following is a common sign of labor onset?

Slight weight loss is recognized as a common sign of labor onset due to hormonal changes that occur in preparation for labor. As the body transitions towards the end of pregnancy, the levels of certain hormones, including prostaglandins, can lead to reduced fluid retention. This can result in a modest weight loss, typically around one to three pounds, just before labor begins. This weight loss is often accompanied by other signs of impending labor, such as increased Braxton Hicks contractions and changes in the cervix.

In contrast, an increased appetite is generally not associated with labor onset; many women experience a decrease in appetite as they approach labor. Increased fetal movement is also not a reliable indicator of labor onset, as fetal activity can vary greatly and may increase or decrease for various reasons unrelated to labor. Swelling of the feet can occur throughout pregnancy and doesn’t specifically indicate that labor is about to start.