The first ten days of pregnancy usually refers to the first ten days after pregnancy. Some pregnant women may not show anything abnormal except menopause. In addition to late menstruation, some pregnant women may also have neurological symptoms, change in diet, abnormal urination, breast pain, etc. 1. neurological symptoms: mainly including dizziness, nausea, fatigue, tiredness, tiredness, etc. 2. change in diet: aversion to greasy food, poor appetite, because the increase in concentration of progesterone relaxes smooth muscle and weakens the activity of gastrointestinal tract, so it produces loss of appetite and greasy food 3. abnormal urination: some women may have symptoms such as frequent urination, lumbago and back pain because of the influence of hormones (mainly progesterone), increased cardiac output, resulting in increased glomerular filtration rate and increased urine production; 4. breast swelling and pain: under the stimulation of estrogen, the production of thyrotropin-releasing hormone increases, resulting in increased secretion of prolactin; 5. vaginal discomfort: women usually have a baby after 6 days of fertilization. After 6 days of fertilization, the fertilized egg will come to bed. At this time, some people will have maroon blood in the vagina, which may be accompanied by lower abdominal cramps, but the amount of blood is small, so there is no need to be overly nervous.