Found about 40 days pregnant to check, you can go to the hospital to draw blood to check the blood HCG, progesterone, at the same time recommended ultrasound, to see the baby’s development, if the early pregnancy progesterone low, HCG low, easy to cause miscarriage, it is recommended that under the guidance of the doctor the reasonable use of progesterone, and at the same time recommended to take the birth control medication, you can prevent miscarriage. In addition to 40 days of pregnancy, the gestational sac can only enter the uterine cavity, through the ultrasound can be ruled out ectopic pregnancy, if ectopic pregnancy, it is best to go to the hospital in a timely manner for surgical treatment, because ectopic pregnancy is easy to hemorrhage caused by the symptoms of anemia, it is recommended that early examination, early treatment, in order to avoid life-threatening. Early pregnancy fetal development is unstable, easy to miscarriage, it is best to bed rest, do not overwork.