what are the signs of pregnancy in one week?
['Vaginal bleeding. Your body is shedding the uterine lining, which was plumped up just in case of a pregnancy.', 'Lower back pain and cramps. To release that lining, your uterus contracts, causing your back and abdomen to ache.', 'Bloating. ... ', 'Mood swings. ... ', 'Headache.']