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.
Hives During Pregnancy. About 1 in 5 pregnant women experience changes in their skin during pregnancy, including acne, skin darkening, and stretch marks. Although women may feel self-conscious about these new âbeauty marks,â skin changes during pregnancy are a normal occurrence. Hives during pregnancy are less common, but they do happen frequently. Hives during pregnancy represent an allergic reaction to food, insect bites, medicine, chemicals, etc.