Inexplicable pregnancy incident series No.12: HCG Gao Ding is pregnant?

After women are pregnant, the value of HCG (human chorionic gonadotropin) will increase, so HCG testing can help doctors accurately judge whether women are pregnant.But is there any other possibility that HCG elevation is more than pregnancy?of course not.

Whether the person who has watched Zhang Han and Zhao Liying’s TV series "Shan Shan is here" still remembers a bridge with a laugher: the female lead Shan Shan was sealed to donate blood, but the HCG was very high. Miss Nurses saidI am pregnant and I can’t donate blood.However, the next day, when Shanshan changed a hospital for examination, the doctor said she was not pregnant.The doctor asked, did you eat anything?Shanshan said that after eating a few egg yolks, the packaging was quite inferior.Shanshan’s "egg yolk faction" says whether we are reliable for the time being, but it is certain that there are other possibilities in addition to pregnancy.

HCG is not necessarily only possible to get pregnant

What is HCG

HCG, that is, choricular gonadotropin, is a kind of glycoprotein secreted by the nourishing layer of the placenta, and the "pregnancy test" hormone familiar to and most commonly used by obstetricians and gynecologists.

After the fertilized eggs moved to the uterine cavity, the mature women form an embryo. During the development of the fetus, the placental nourishing layer cells produced a large amount of human chorionic gonadotropin (HCG), and through the blood circulation of the pregnant womanExpedition to urine.At 1 to 2.5 weeks of pregnancy, the level of HCG in serum and urine can rise rapidly, the 8th gestational week reaches its peak, and the 4th month of pregnancy drops to the medium level, and it is maintained to the end of pregnancy.

In the early pregnancy, the B -ultrasound cannot be judged whether it is pregnant, but it can be determined with HCG.Because blood HCG is not only sensitive, but also because of "quantitative" data, it can be accurately judged.

HCG’s normal reference value

Under normal circumstances, the blood HCG of non -pregnant women is less than 100IU/L. In the first three months of pregnancy, the HCG level doubled every 2.2 ± 0.5 days.The urine HCG will also be different. Non-pregnant women’s urine HCG is usually less than 25IU/L. At 40 days of pregnancy, the urine HCG can be greater than 5000IU/L. When 60-70 days of pregnancy, it is greater than (8-32) × 104IU/L.Especially in the early morning, the urine HCG level is the highest, which can be close to the blood level.

It should be noted that the absolute value of the serum HCG absolute value of the serum HCG between different periods of pregnancy and each pregnant woman has changed a lot, but it is different between people and people. There is no comparability, so it can only be compared with themselves.

Several possibilities of HCG rise

HCG examination is of great significance for early pregnancy diagnosis, but it is not limited to this.The changes in HCG also indicate some diseases, such as pregnancy -related diseases, nourishing cell tumors, etc., which are of certain value for diagnosis, identification and course observation.Therefore, it is possible that the HCG has a big increase in pregnancy, but it may also mean the arrival of the disease.

There are several possibilities for higher HCG values:

Early pregnancy: 35-50 days after pregnancy can rise to more than 2500 IU/L, and 80,000 IU/L in 60 to 70 days. Multi -pregnant patients with urine HCG are often higher than one pregnancy.

Nourishing cell tumors: HCG in patients with hydatidal, malignant hydatidal, chorionic epithelial cancer, and testicular teratoma have increased significantly in urine, which can reach 100,000 to millions of IU/L.

Other: endocrine diseases, such as pituitary diseases, hyperthyroidism; gynecological diseases, such as ovarian cysts and uterine cancer, can also increase.In addition, HCG changes differently during pregnancy, but often high.

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