There are several clinical methods to check pregnancy as follows: 1. Collecting morning urine and testing with early pregnancy test paper, which mainly detects HCG in urine; 2. Clinically, blood can be drawn to check blood HCG, which is a little more sensitive than urine HCG and appears a little earlier, so if your period is normal, you can check whether you are pregnant by drawing blood around 33 days after menopause; 3. Clinical method by ultrasound examination. Generally, the gestational sac can be seen through ultrasound examination at about five weeks of pregnancy and the yolk sac can be seen inside the gestational sac, the gestational sac can be seen in the uterus at about six weeks and the germ can be seen, and the primitive heart tube pulsation can be seen through ultrasound examination after seven weeks.