Ключевые слова: abdomen, adult, anticipation, back labor, back pain, belly, birth, birthing, caucasian, contraction, contractions, expectant, expecting, fertility, fetal, health, indigestion, labor, labour, maternity, mother, motherhood, nutrition, ouch, pain, parent, pregnancy, pregnant woman, prenatal, stomach, tightening, torso, unborn, woman, womb,