PREGNANCYSPRAGUE-DAWLEY RATSVaginal sonography and determination of scrum hCG levels were carried out in 22 healthy pregnant women every 2 to 4 days after the first positive pregnancy test until a living fetus was observed. Gestational age was calculated from the day of ovulation, assessed by LH ...
It happens because hCG levels change rapidly during early pregnancy. Healthcare providers may recommend repeating the test within 48 to 72 hours to avoid getting false-negative results. False-positive results:On the other hand, it is possible to detect hCG in some non-pregnant conditions, causing...
We also offer aquantitative hCG testthat measures your hCG levels. If your qualitative test is positive, a quantitative test can help determine how far along you are. hCG levels vary based on a woman's gestation period and age. The quantitative test may be used along with an ultrasound to ...
HCG Test Strip Result Reading: Positive(Pregnant):Two distinct colored lines appear in the control line(C) and test line(T); Negative(Non-Pregnant):One colored line appears in the control line region(C) only; Invalid:No colored line appears in the control region(C) ...
combination of monoclonal and polyclonal antibody reagents to selectively detect elevated level of HCG in urine or serum. The immunological specificity of the test virtually eliminates cross reactivity interferences from the structurally related glycoprotein hormones hFSH, hLh, hTSH at physiological l...
, the placenta produces a hormone called human chorionic gonadotropin (hCG) to support the growth of the fetus. It's called "the pregnancy hormone" because it's only produced during pregnancy, and it's the hormone responsible for making that positive sign show up on your pregnancy test....
Positive HCG Colloidal Gold Urine Midstream Pregnancy Test US$0.23/ Piece New Design OEM Urine HCG Pregnancy Test US$0.10-0.35/ Piece New Design 99% Accuracy Home Use Urine HCG Pregnancy Test US$0.05-0.18/ Piece New Design David/OEM Fsh Test for Self-Testing ...
4. This test may produce false positive results. A number of conditions other than pregnancy, including trophoblastic disease and certain non-trophoblastic neoplasms including testicular tumors, prostate cancer, breast cancer, and lung cancer, cause elevated levels of HCG. Therefore, the presence of ...
However, it's crucial to differentiate between various scenarios. HCG elevation can be indicative of either宫内妊娠 (normal pregnancy),宫外孕 (ectopic pregnancy), or even non-viable conditions like生化妊娠 (chemical pregnancy). To clarify, a positive妇科彩超 for a gestational sac within...
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