Usually, your body will begin to produce the hormone a week or
so after fertilization, when the egg implants on the wall of your uterus.
Not exact matches
So researchers at the NIH in 2013 — equipped with the latest tools of science — decided to check this number by instead measuring a pregnancy from the moment of ovulation (
fertilization usually occurs within 12 to 24 hours
after an egg is released).
This happens 6 - 12 days
after fertilization so you could think that you just have a light period.
This has profound implications for our understanding of life's origins, for our understanding of why
so many embryos spontaneously abort in the first few days
after fertilization, and for our understanding of why some IVF procedures may subtly affect early development, with potential long - term health consequences.