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Is multiple pregnancy hereditary?

By Andrea Rodrigo B.Sc., M.Sc. (embryologist).
Last Update: 08/30/2022

Although the genetic basis for the hereditary probability of having twins is not yet currently understood, it is true that having cases of fraternal or identical twins in the family does increase the chances of having a multiple pregnancy.

This is especially true in the case of fraternaltwins, since it is likely that the probability of ovulating twice is inherited.

If you would like more information on the hereditary basis of twins, we recommend reading this article: Is having twins hereditary?

 Andrea Rodrigo
Andrea Rodrigo
B.Sc., M.Sc.
Embryologist
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.
Embryologist. Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.