Why can't you get pregnant while pregnant?

By Zaira Salvador BSc, MSc.
Last Update: 07/13/2018

When a woman gets pregnant, her body starts releasing hormones to sustain the pregnancy and to prevent a new pregnancy from happening. Also, the cervix creates a mucus plug that prevents the passage of sperm. That’s why women can’t get pregnant while they are pregnant already, except for the rare event of superfetation.

Suggested for you: Superfetation – Can You Actually Get Pregnant While Pregnant?.

BSc, MSc
Embryologist
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia (UPV). Embryologist specializing in Assisted Procreation, with a Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI).
License: 3185-CV
Embryologist. Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia (UPV). Embryologist specializing in Assisted Procreation, with a Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia (UV) and the Valencian Infertility Institute (IVI). License: 3185-CV.
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