There seems to be an inverse relationship between the woman's BMI (Body Mass Index) and the hCG hormone levels detected in blood when taking the pregnancy test.
This means that, with a higher BMI, lower hCG hormone levels appear to be found.
Read the full article on: The incredible beta hCG data that defines pregnancy success ( 31).
By Silvia Azaña Gutiérrez B.Sc., M.Sc. (embryologist).
Last Update: 07/15/2026
