Why does hcg rise when you are not pregnant?

During pregnancy, some things in a woman's body will change. Among them, the change in hcg value is a reference data for women's pregnancy. Some women are not pregnant during examination, but the hcg value is very high. Then why is the hcg value high when they are not pregnant?

Why is hcg high when not pregnant?

HCG is not only a hormone for detecting pregnancy, it is also a way to detect diseases of the chorionic villus. For example, thickening of the endometrium can also cause an increase in HCG. This is why many sisters think they are pregnant when the HCG test is weakly positive but they still have their period. It is not a biochemical pregnancy. If it is pregnancy, the blood HCG will double every 1.6-2 days. You should check the changes in the uterus with B-ultrasound and observe closely.

There are several possibilities for an increase in HCG: normal pregnancy, twins, hydatidiform mole, or some diseases or tumors. In endocrine diseases, such as pituitary diseases, hyperthyroidism, gynecological diseases such as ovarian cysts, uterine cancer, etc., HCG can also be elevated. In recent years, it has been found that malignant tumors such as fetal carcinoma, pancreatic cancer, gastric cancer, liver cancer, breast cancer, lung cancer, etc. may also have elevated levels of HCG in the blood. Therefore, in the oncology department, HCG is regarded as one of the cancer markers.

If you are pregnant, on the Down screening test sheet, the reference range of the negative correlation multiple of β-hCG is 0-2.5. If it is higher than this value, it will have an adverse effect on the safety of maternal and child products during pregnancy, for example, pregnant women are prone to gestational hypertension, etc. This needs to be judged based on your specific situation. Some pregnant women may have high hCG values ​​when doing Down syndrome screening because they have received hCG injections to maintain pregnancy in the early stages of pregnancy. In the case of ectopic pregnancy, blood hCG will be lower than the normal pregnancy value at that time. Therefore, when B-ultrasound examination determines that it is ectopic pregnancy, hospitalization is required immediately.

What does Hcg mean?

What does hcg mean? hcg generally refers to human chorionic gonadotropin. The hcg blood test is currently the earliest and most accurate method to detect whether you are pregnant.

After the fertilized egg cell of a mature woman moves to the uterus and the embryo implants, a test tube embryo is formed. In the process of growing and developing into a fetus, the embryo transforms into trophoblast cells to produce a large amount of human chorionic gonadotropin (hCG), which can be excreted into the urine through the pregnant woman's blood circulation system. When the pregnancy is 1 to 2.5 weeks, the hCG level in the blood cells and urine can rise rapidly, reaching a peak in the 8th week of pregnancy, and then drops to the upper medium level in the 4th month of pregnancy, and remains until the late pregnancy.

Human chorionic gonadotropin enters the maternal blood after fertilization and multiplies rapidly until the 8th week of pregnancy, then slowly decreases in concentration until the 18th to 20th week, and then remains there for a long time. Generally, a level of at least 2.5 MoM of human chorionic gonadotropin is associated with Down syndrome. However, the actual human chorionic gonadotropin level in the maternal blood of DS patients is only 1.3 MoM on average, which cannot significantly distinguish DS patients. The human chorionic gonadotropin related molecules used for DS testing include mineral acid b-hCG and glucose hCG (H-hCG).

The level of human chorionic gonadotropin-related molecular structures is also related to the identification of fetal sex. The level of human chorionic gonadotropin in baby girls is significantly higher than that in baby boys.