The bleeding of a threatened miscarriage varies by patient—there is no particular duration of vaginal bleeding during pregnancy that confirms a threatened miscarriage. The risk of miscarriage depends on two factors: the characteristics and the duration of the bleeding. For instance, the more abundant it is, the higher the chances of miscarrying.
How long do you bleed during a threatened miscarriage?
By Rebeca Reus BSc, MSc (embryologist).
Last Update: 08/28/2018
Degree in Human Biology (Biochemistry) from the Pompeu Fabra University (UPF). Official Master's Degree in Clinical Analysis Laboratory from the UPF and Master’s Degree about the Theoretical Basis and Laboratory Procedures in Assisted Reproduction from the University of Valencia (UV).