Three or four days of pregnancy, because of its time is too short, at this time the fertilized egg did not fully bed, pregnant women’s body estrogen and progesterone levels have not yet fluctuated, usually does not appear obvious feeling. Women will experience early pregnancy reactions such as nausea, vomiting, loss of appetite, breast tenderness, drowsiness, fatigue, etc. At this time, if you suspect that you are pregnant, you can use a pregnancy test stick, pregnancy test paper and other tools to test. However, it is better to go to the hospital to check the blood HCG, the result is more accurate. Usually after 12 weeks of pregnancy, early pregnancy symptoms can gradually reduce until disappear. So in the third or fourth day of pregnancy, pregnant women usually do not have obvious feelings. Most of the various reactions during pregnancy are normal. However, not everyone will have drastic pregnancy reactions, and some people may only show a significant change in appetite throughout the pregnancy, but nothing else is abnormal.