HCG is 50,000 at 7 weeks of pregnancy and may double by 8 weeks of pregnancy. Normal pregnancy after the formation of the fertilized egg 6-7 days will bed, after bed fertilization of the egg trophoblast formation began to produce HCG, and then every 1.7-2.0 days doubled, 8-10 weeks of pregnancy to reach the peak value of 50,000-100,000 IU / L, so 7 weeks gestation HCG 50,000, to the eighth week of pregnancy and there may be a doubling of the number of 100,000. Early HCG check can assist in diagnosing pregnancy and assessing the development of the fetus. If the HCG value corresponds to the date of pregnancy and doubling is possible, the fetus is generally well developed. In addition to this, fetal development can also be observed through ultrasound. Generally, the gestational sac can be seen in the uterine cavity around 5 weeks of pregnancy, and the embryonic bud and primitive heart tube pulsation can be seen around 6 weeks of pregnancy. During pregnancy, you should take care of your nutrition, maintain a healthy routine, and pay attention to regular obstetric checkups.