hCG assays have evolved through a long history [55–60] (Table3). The first pregnancy assay or hCG test was the famous Zondek-Aschein Test described in 1930 [55]. The Aschheim-Zondek test was based upon the observation that when urine from a female in the early months of pregnancy is...
Samples of the WHO “tetanus” vaccine used at the March 2014 administration (event 11 inFigure 2) were disguised as blood serum and were subjected to the standard ELISA pregnancy testing for the presence of βhCG at three different laboratories in Nairobi (event 12 inFigure 2). Results of ...
Our results, in agreement with the literature, suggest that transfers of cryopreserved embryos resulted in higher β-hCG levels. This could be explained by the assumption that cryopreservation improves mitochondrial function and cell viability in embryos due to the beneficial effect of antioxidants in ...
test to be more sure this time. Since last week I've had breast tenderness like I've never had before and I'm urinating more often. My doctor says we will have to wait until a third missed period to make certain checks should I not be pregnant. I am unsure about this. Should I ...