Labor may start 2 to 3 weeks after the baby is in the womb, or it may start immediately after the baby is in the womb, depending on the individual and whether it is the first pregnancy or not. When the baby goes into labor, it is a sign of full-term pregnancy. Generally, the baby will go into labor at around 36 to 38 weeks, after which the mother will have obvious symptoms such as reduced abdominal distension and increased appetite, etc. First-time mothers will start labor later after the baby goes into labor, and may deliver the baby in 2 to 3 weeks after the baby goes into labor, whereas experienced mothers may deliver the baby immediately after the baby goes into labor, or may deliver the baby in 1 to 2 weeks. After the baby is in labor pregnant women must pay attention to observe their own situation, if there are regular contractions, redness, vaginal water, must promptly go to the hospital to consult the hospital, to the hospital to prepare for labor.