We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Amanda B. Keener After new testing, First Response Early Result remains our ...

While higher levels of hCG can indicate twin pregnancy, it is by no means definitive. You’re going to want to get an ultrasound to know for sure. Share on Pinterest Do you feel like you’re eating for ...

The developing placenta secretes the glycoprotein hormone hCG, human chorionic gonadotropin, soon after fertilization. In normal pregnancy, this hormone can be detected in serum in just seven days ...