Blood test pregnant but ultrasound can not see the gestational sac, most consider that this time the pregnancy time is short, so the ultrasound can not see the gestational sac, you can follow the doctor’s advice to repeat the examination on time.
The hCG (human chorionic gonadotropin) is first detected in the peripheral blood of the mother about 1 day after the fertilization of the egg, so as to confirm the pregnancy. However, the embryo is just starting to develop at this time, so the gestational sac is not visible in the uterine cavity during the ultrasound. For women who have regular menstrual cycles, the earliest time a pregnancy sac can be seen on ultrasound is 35 days after menopause.
In the early stages of pregnancy through the blood or urine hCG test to diagnose pregnancy, can follow the doctor’s instructions in about 40 days after menopause ultrasound examination to clarify the normal intrauterine pregnancy, and can rule out ectopic pregnancy, grapes and other pathological pregnancy. You should also pay attention to proper rest, prohibit coitus, and take folic acid on time.
After the blood test pregnancy, ultrasound can not see the gestational sac, to follow the doctor’s instructions on time to review, when the appearance of abdominal pain, vaginal bleeding and other symptoms should be at any time to go to the hospital.