Topic: Health

A large study found no link between receiving an mRNA COVID-19 vaccine during pregnancy and autism or developmental disorders in children. The research was presented at the Society for Maternal-Fetal Medicine (SMFM) 2026 Pregnancy Meeting.

The study, conducted by researchers within the Maternal-Fetal Medicine Units Network, evaluated 434 children between 18 months and 30 months of age for signs of autism and other developmental concerns. Half of the children were born to mothers who received at least one dose of an mRNA COVID-19 vaccine either during pregnancy or within 30 days before becoming pregnant. The remaining 217 children were born to mothers who did not receive an mRNA vaccine during or within 30 days prior to pregnancy.

The researchers compared developmental outcomes by pairing vaccinated mothers with unvaccinated mothers based on where they delivered, the date of delivery, insurance status, and race. Certain pregnancies were excluded from both groups, including those that ended before 37 weeks, involved multiple babies, or resulted in a child with a major congenital malformation.

The team assessed the children's development using the Ages and Stages Questionnaire Version 3, which measures progress in five areas: communication, gross motor skills, fine motor skills, problem solving, and personal social interaction. They also reviewed results from other screening tools to further evaluate behavioral and developmental patterns.

Why It Matters

This study's findings are reassuring for expectant mothers who may be concerned about the impact of COVID-19 vaccination on their child's development. As India continues to battle the pandemic, this research provides important information for pregnant women and their families.

Key Facts

• The study evaluated 434 children between 18 months and 30 months of age
• Half of the children were born to mothers who received at least one dose of an mRNA COVID-19 vaccine during pregnancy or within 30 days before becoming pregnant
• The researchers compared developmental outcomes by pairing vaccinated mothers with unvaccinated mothers based on several factors
• Certain pregnancies were excluded from both groups, including those that ended before 37 weeks or resulted in a child with a major congenital malformation
• The study found no link between receiving an mRNA COVID-19 vaccine during pregnancy and autism or developmental disorders in children

Key Terms

mRNA

A type of vaccine that uses genetic material to trigger the body's immune response

Implications

This study's findings are reassuring for expectant mothers who may be concerned about the impact of COVID-19 vaccination on their child's development. As India continues to battle the pandemic, this research provides important information for pregnant women and their families.