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Is a multiple pregnancy of twins more risky because of in vitro fertilisation or artificial insemination?

By Sara Salgado.
Last Update: 07/23/2021

In principle, there is no increased risk because the pregnancy is achieved through assisted reproduction. Multiple pregnancy itself is considered high-risk, whether it is achieved naturally or not. In the mother, pathologies such as gestational diabetes, hypertension or pre-eclampsia may appear in a higher proportion.

In the baby, there may be prematurity and low birth weight. This means that organs such as the lungs are not mature and, therefore, the probability of survival is reduced.

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 Sara Salgado
Sara Salgado
BSc, MSc
Embryologist
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).
Embryologist. 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).