No matter how much: No matter how much you want to have a test tell you if you are pregnant before you miss a period it won't happen. Nature happens one way. Sex. Conception. Transportation of the fetus. Implantation. Growth. Placenta and blood cell development. HCG production. Missed Period. Pregnancy Test positive.
Answered 8/20/2014
3.8k views
6-7 days: Implantation absolutely 100% cannot happen in humans before 6-7 days after fertilization. Some believe it can happen a little later (up to about 9-10 days), I don't believe this but it's larger a matter of how you define "implantation."
Answered 8/20/2014
3.8k views
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