4 weeks pregnant, the embryo has already been bedded, generally speaking the normal fertilized egg implantation time in the coitus after about 7 days – 10 days to complete.
4 weeks pregnant, the embryonic tissue has not yet developed, many pregnant women have not yet appeared early pregnancy reaction, only through the clinical ultrasound examination, you can observe the pregnancy sac in the uterine cavity, at this time the size of the pregnancy sac is about 0.2 cm. Because at this time the embryonic tissue in the mother’s uterine wall is not too solid after the bed, so this stage to avoid strenuous exercise, avoid intercourse as far as possible.
4 weeks pregnant belongs to the early stages of pregnancy, pregnant women should closely observe the changes in the body, if there is abdominal pain or vaginal bleeding and other abnormalities, we should consider the possibility of preeclampsia, should be timely to the hospital obstetrics and gynecology clinic, under the guidance of the doctor do a good job of fertility preservation treatment, to ensure that the fetus develops healthily.