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.
In the 30 minutes after the birth of the baby, the placenta should separate from the wall of the uterus and be delivered out of the vagina. Sometimes the membranes burst before the start of labor, and this is called premature rupture of membranes (PROM). There are two types of PROM. One occurs at a point in pregnancy before normal labor and delivery should take place. This is called preterm PROM.