Pregnancy may have the following symptoms: a. Menopause, the obvious symptom of many mothers-to-be in the first trimester is the delay of menstruation for 1 week or even more than 10 days. Nausea and vomiting, generally after the first month of pregnancy will appear nausea and vomiting, this time the pregnant mother’s stomach may be very difficult, need family members to give timely comfort and relief, and make nutritious and delicious meals. Breast swelling, pain and enlargement, after pregnancy, due to the body estrogen and progesterone began to increase, luteinizing hormone is also rising, so that the pregnant woman’s breasts will be swollen and painful, or even enlarged, after 3 months may gradually improve. Fourth, sensitive to odors, usually very uncomfortable with the taste of tobacco, tea, and may also aggravate the pregnancy vomiting. Five, easy fatigue, women in the first trimester of pregnancy are very easy to fatigue, and even exhaustion of this state.