Chorionic gonadotropin or hCG is the characteristic hormone of pregnancy since it is secreted by the embryo. Because of this, its detection in blood or urine confirms pregnancy and is the basis of pregnancy tests.
It is usual for the values of this hormone to double every 48-72 hours during the first 12 weeks of pregnancy. This increase in hCG is the cause of pregnancy symptoms in women.
Read the full article on: Pregnancy symptoms but a negative test, what else could it be? ( 40).
By Ana Mª Villaquirán Villalba M.D., M.Sc. (gynecologist), Clara Miret Lucio B.Sc., M.Sc. (embryologist), Juan José Espinós Gómez M.D., Ph.D. (gynecologist), Sara Salgado B.Sc., M.Sc. (embryologist), Cristina Algarra Goosman B.Sc., M.Sc. (psychologist) and Michelle Lorraine Embleton B.Sc. Ph.D. (biochemist).
Last Update: 10/20/2021
