What is clinical pregnancy?

Besides the value of evaluating the results of natural conception, the beta-hCG test can also be used to evaluate the results of fertilization when sperm is injected into the uterus, 14-day embryo transfer with 2 results including: :
Fetal biochemistry: blood beta-hCG concentration 2 weeks after embryo transfer above 5 mIU/mL and transvaginal ultrasound without amniotic sac in the uterine cavity. A biochemical pregnancy is a pregnancy with satisfactory beta-hCG determination but does not develop into a clinical pregnancy. Clinical pregnancy: is the actual pregnancy confirmed by ultrasound by transvaginal transducer with the presence of amniotic sac, embryo, fetal heart after 3-4 weeks of embryo transfer.

HCG or human Chorionic Gonadotropin is a pregnancy hormone secreted by the placenta that will appear in the mother's plasma or urine 8-9 days after fertilization and peak around 8-10 weeks. Beta-hCG test is usually indicated in the following cases:
The mother participates in artificial insemination, IUI When there are signs of a period delay 7-10 days after sex, but it is most accurate after 3-5 days of delay Day Help monitor fetal growth Diagnose pregnancy abnormalities such as ectopic pregnancy, risk of miscarriage, ectopic pregnancy or trophoblastic neoplasms Screen for Down syndrome

According to studies, mean beta-hCG concentration after 14 days of clinical pregnancy is about 761.5 mIU/mL and biochemical pregnancy is 161.02 mIU/mL. The rate of multiple pregnancy increased with the number of embryos transferred to the uterus and the prognostic beta-hCG cut-off point for multiple pregnancy was 600.5 mIU/mL (the cut-off point is the cut-off point of the predictive variable). Quantitative value for discriminating 2 states such as multiple pregnancy or no multiple pregnancy to determine sensitivity and specificity)
Besides, the cut-off point of beta hCG concentration after 14 days of embryo transfer is prognostic for the fetus. The clinical outcome is 299.5 mIU/mL and the prognosis for biochemical pregnancy is 115.5 mIU/mL. The level of beta-hCG on day 14 after embryo transfer is very important in predicting, as well as monitoring pregnancy outcomes.
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