Why Can a Pregnancy Test Be Negative at 12 Weeks Despite Pregnancy?
Learn why pregnancy tests may show a negative result at 12 weeks due to the rare hook effect and how to get accurate results.
Does the Hook Effect in Pregnancy Tests Indicate Twins?
Learn why the hook effect in pregnancy tests can cause false negatives and why it doesn't necessarily mean twins or multiples.
Can High hCG Levels Cause False Negative Pregnancy Tests?
Discover if high hCG levels lead to false negatives in pregnancy tests and learn how to address this issue.