Determining whether a patient is pregnant can be done from the following aspects: first, when a patient has sexual intercourse, without good contraception or in the case of pregnancy preparation the patient has delayed menstruation, accompanied by clinical symptoms such as breast swelling, nausea, vomiting and weakness, etc.; second, when a patient considers the possibility of pregnancy, a urine pregnancy test can be monitored using morning urine, if the result is positive it indicates If the result is negative, further testing is needed to confirm the pregnancy. The blood HCG can be checked, if the blood HCG is more than three times the normal value, it indicates pregnancy in, if the blood value is within three times the normal value, it is higher than the normal value indicating the possibility of pregnancy, it is necessary to continue monitoring again. Ultrasound can also be done and pregnancy can be confirmed when the gestational sac can be seen on ultrasound. If the gestational sac cannot be seen, but pregnancy has been confirmed by other means, it is necessary to continue monitoring to rule out the possibility of ectopic pregnancy.