â¢ is one of the main ingredients involved in the formation of ground-level ozone, which can trigger serious respiratory problems. â¢ reacts to form nitrate particles, acid aerosols, as well as NO2, which also cause respiratory problems. â¢ contributes to formation of acid rain. â¢
To strip the membranes your cervix must already be dilated. It can have some effect to trigger labor. Most doctors prefer to induce by 41 weeks or certainly by 42 weeks to avoid the complications of postterm pregnancy.
During pregnancy, your baby is surrounded and cushioned by a fluid-filled membranous sac called the amniotic sac. At the beginning of or during labor, your membranes will rupture â also known as your water breaking. If your water breaks at or around the time of your due date and labor doesn't soon begin, it's called premature rupture of membranes (PROM).