Gingivitis or gum inflammation effects 60-75% of pregnant women and can lead to periodontal disease if left untreated. Pregnancy gingivitis is swelling, tenderness and redness of gums that often causes bleeding during brushing and flossing. Pregnant women with severe periodontal disease are 7x's more likely to have a preterm baby. Women 2-8 months pregnant are susceptible to gingivitis due to hormonal changes even if there are no changes in oral hygiene. In some women overgrowths of tissue called pregnancy tumors appear on gums. In order to decrease your chances, make sure you take excellent care of your teeth, including brushing, flossing and visiting your dental team during your second trimester. It sometimes may even be necessary to have an extra cleaning or two while u are pregnant.