Test method for 12th day pregnancy of test tube baby
Test tube baby is a method of fertilizing sperm and eggs in vitro, and then transplanting the fertilized eggs into the female uterus for pregnancy. In the IVF cycle, relevant tests should be carried out after 12 days of pregnancy to confirm whether the pregnancy is successful. The following four aspects will introduce the test methods for the twelfth day pregnancy of test tube babies.

1. Urine progesterone detection
Urine progesterone detection is a simple and commonly used test tube baby pregnancy detection method. After implantation of the fertilized eggs, the mother will produce progesterone (human chorionic gonadotropin hCG), which can be excreted through urine. For urine progesterone detection, test paper or test tube shall be used for detection after the first urination on the twelfth morning. If the test result shows two lines or symbols, it is a positive reaction, indicating that the pregnancy is successful; If there is only one line or symbol, it shows a negative reaction, indicating pregnancy failure.
However, the urine progesterone test can only preliminarily determine whether the pregnancy is successful, and cannot determine whether the embryo is successfully implanted and whether the pregnancy is stable. Therefore, other tests are needed to confirm the diagnosis.
2. Detection of serum progesterone
Serum progesterone detection is a more accurate test tube baby pregnancy detection method. The serum progesterone level was detected by venous blood samples. After successful implantation of fertilized eggs, the level of progesterone will gradually rise, and higher progesterone level can better diagnose pregnancy. The serum progesterone test is usually carried out on the twelfth day, and the results can provide more accurate information.
Hospitals such as Peking Union Medical College Hospital and Shanghai Fudan University Affiliated Obstetrics and Gynecology Hospital can provide serum progesterone testing services.
3. Ultrasonic testing
Ultrasonic testing is also a commonly used test tube baby pregnancy detection method. The internal condition of the uterus can be observed by inserting an ultrasonic probe into the abdomen or vagina. On the twelfth day of ultrasonic testing, pregnancy can be judged according to whether there are embryonic blastocysts in the uterus and fetal heartbeat. Ultrasonic testing can provide intuitive results and has high accuracy in the confirmation of pregnancy.
Ultrasonic testing can be carried out in professional obstetrics and gynecology hospitals, such as Stanford University Hospital, Harvard Medical School Hospital, etc.
4. Detection of human chorionic gonadotropin in serum
The detection of human chorionic gonadotropin (hCG) in serum is a common method to test the pregnancy of test tube babies. After successful implantation, the mother will produce a specific hCG, and its level will continue to rise after pregnancy. By taking venous blood samples to detect the level of hCG in serum, pregnancy can be accurately judged, and pregnancy stability can also be evaluated.
Serum hCG detection can be carried out in many hospitals, such as the National Institutes of Health, the Affiliated Hospital of McGill University in Canada, etc.
summary
The detection methods of test tube babies on the twelfth day of pregnancy include urine progesterone detection, serum progesterone detection, ultrasonic detection and serum hCG detection. These methods play a key role in determining the success of IVF pregnancy and the stability of pregnancy. Although urine progesterone detection is a simple and convenient preliminary detection method, serum progesterone detection, ultrasonic detection and serum hCG detection can provide more accurate results and further diagnose pregnancy.
According to personal conditions and doctors' suggestions, you can choose your own IVF pregnancy detection method to ensure accurate judgment of pregnancy, and make appropriate adjustments and preparations.