How long it takes for a second child to give birth after seeing red is not certain, and the time can range from a few hours to a few days, and even the need for surgical termination of pregnancy is possible, subject to a variety of factors. Seeing red is a manifestation of premonitory labor, often suggesting that labor is about to start, but there are individual differences in the time to start. If contractions occur quickly and are strong, a woman in labor may go into labor within a few hours; if contractions occur after a few days, she may go into labor after a few days. In addition to the timing of contractions, the size of the fetus and the texture of the cervix can affect the timing of labor. In addition, if the fetus is too large or if there are abnormalities during labor, such as fetal distress that prevents delivery within a short period of time, a cesarean section may even be necessary to terminate the pregnancy. Pregnant women who experience redness are advised to seek prompt medical attention and treatment as prescribed by the doctor.