Human beta chorionic gonadotropin (β-HCG)

Definition

Human beta chorionic gonadotropin (β-HCG) is a hormone produced by the placenta shortly after implantation. It supports the early pregnancy by maintaining the corpus luteum, which produces progesterone.

5 Must Know Facts For Your Next Test

1. β-HCG levels can be detected in urine and blood tests to confirm pregnancy.
2. The hormone peaks around 8-11 weeks of pregnancy and then declines.
3. High or low levels of β-HCG can indicate potential issues such as molar pregnancies or ectopic pregnancies.
4. β-HCG is also used in certain fertility treatments to trigger ovulation.
5. The presence of β-HCG is what most home pregnancy tests are designed to detect.

Review Questions

Related terms

Progesterone:

A hormone crucial for maintaining the uterine lining during early pregnancy

Corpus Luteum: A temporary endocrine structure involved in ovulation and early pregnancy

Ectopic Pregnancy: A complication where the embryo implants outside the uterus