Signs of 15 days pregnant include early pregnancy reaction, breast swelling and pain, frequent urination and other manifestations, but there are individual differences, some pregnant women may not have any reaction. 1. Early pregnancy reaction: after pregnancy, pregnant women due to increased hormone levels in the body, there may be a slight early pregnancy reaction, such as nausea, vomiting, fatigue, anorexia and drowsiness, etc., and may with the increase of pregnancy weeks, the reaction will gradually become obvious. 2. Breast swelling and pain: after pregnancy, due to the rise in the level of estrogen and progesterone in the body, the volume of the breasts may gradually increase, and conscious breast swelling and pain, may also be manifested as nipple, areola hyperpigmentation. 3. Frequent urination: the gradually increasing uterus after pregnancy may have pressure on the bladder, and frequent urination performance, with the increase of pregnancy weeks when the uterus beyond the pelvis, the symptoms will naturally disappear. Early pregnancy should pay attention to proper rest, avoid strenuous exercise and prohibit coitus, eat a balanced diet, follow the doctor’s instructions on time delivery.