The normal time frame for delivery is from 37 to 42 weeks, which is a normal time frame for childbirth. At the beginning, the pregnant woman will have irregular contractions, redness or vaginal flow, regular contractions are from 4-5 minutes, each contraction lasts for more than 30 seconds, accompanied by shortening of the cervical canal, from which the labor process begins. For first-time mothers, the labor process takes about 10 hours, the process of opening the first 3cm of the uterus is slow, about 3-4 hours the uterus opens 1cm, the uterus opens more than 3cm and enters the active phase, at this time the contractions become more frequent, the contractions last longer and stronger, and the pain of the pregnant woman is stronger than before. After entering the active stage, the progress of labor is relatively fast, and the opening of the uterus can be about 2-3 fingers in an hour. For a first-time mother, it takes 1-2 hours to deliver vaginally. So overall, the process of giving birth takes about 10 hours, but it varies from person to person.