An inversion would most likely be a signal that a recession is imminent. An inverted yield curve has a perfect track record of predicting recessions, according to RBC's Jonathan Golub. You can see this in the chart below â the shaded areas are recessions. Business Insider
As pregnancy tests, quantitative blood tests and the most sensitive urine tests usually detect hCG between 6 and 12 days after ovulation. However, it must be taken into account that total hCG levels may vary in a very wide range within the first 4 weeks of gestation, leading to false results during this period.
Pregnancy Hormones. A pregnancy hormone known as hCG is in your blood from the time of implantation. This is the hormone detected in a pregnancy test. Usually it takes 3 to 4 weeks from the first day of your last period for the levels of hCG to be high enough to be found by the tests.