At which point in a pregnancy can human chorionic gonadotropin be detected in the mother's blood?
A) at the time of fertilization
B) at the time of implantation
C) by the first week of pregnancy
D) by the third week of pregnancy
E) by the sixth week of pregnancy

Question

Quizplus · Accepted Answer

Human chorionic gonadotropin (hCG) is a hormone produced by the placenta during pregnancy. It can be detected in the mother's blood as early as the third week of pregnancy.

At Which Point in a Pregnancy Can Human Chorionic Gonadotropin