Based on live births recorded in the National Survey of Family Growth, about 12% of first babies are born preterm, compared to 10% of other babies. And if “late” means after 40 weeks, first babies are more likely to be late: about 15%, compared to 10% of other babies.
How likely is it to go into labor early?
Sooner Than Expected About 11 percent deliver prematurely. Experts arent sure why some women go into labor early. Possible risk factors include carrying multiples or having an abnormally shaped uterus. There may also be a connection between preterm labor and an infection such as bacterial vaginosis.
How do you know when youre about to go into labor?
Signs of labor include strong and regular contractions, pain in your belly and lower back, a bloody mucus discharge and your water breaking. If you think youre in labor, call your health care provider. Not all contractions mean youre in true labor.
What time of day are you most likely to go into labor?
Most spontaneous births take place between 1:00 and 6.59am with a peak around 4am and a trough in the afternoon, according to UK researchers.