No, there is no menstruation during pregnancy, although bleeding may occur. If it is heavy bleeding, such as menstrual bleeding, it is advisable to see a doctor, as it may be due to a miscarriage.
Degree in Biochemistry and Molecular Biology from the University of the Basque Country (UPV/EHU). Master's Degree in Human Assisted Reproduction from the Complutense University of Madrid (UCM). Certificate of University Expert in Genetic Diagnosis Techniques from the University of Valencia (UV).