1 doctor weighed in:

How do doctors know that small, undetectable amounts of hCG are produced 5 days post ovulation, when it can't be detected in blood until 9-12 days?

1 doctor weighed in
Get help from a real doctor now
Dr. Dennis Higginbotham
Board Certified, Obstetrics & Gynecology
27 years in practice
49M people helped
Continue
111,000 doctors available
Read more answers from doctors