A member asked:

How common is the hook effect and variant hook effect in home pregnancy tests?

A doctor has provided 1 answer

Other signs: Hcg reaches the highest levels by 9-12 weeks and by then there are plenty of other signs of pregnancy and hook effect is not likely to matter. http://www.americanpregnancy.org/duringpregnancy/hcglevels.html.

Answered 1/31/2017

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