Malaria during pregnancy harms fetal brain development. It causes cognitive and language delays in young children. Systemic inflammation and poor oxygen supply to the baby (placental dysfunction) are the main causes. Preventing malaria with medication protects the child’s brain development. [1, 2, 3, 4, 5, 6]
How Malaria Affects Pregnancy
- Placental Sequestration: Malaria parasites gather in the placenta (the organ connecting mother to baby). This blocks blood flow and essential nutrients from reaching the baby. [1, 2]
- Maternal Anemia: The infection destroys red blood cells, causing a lack of oxygen for the growing fetus. [1]
- Maternal Immune Activation: The mother’s body reacts to the parasite by creating inflammation. This inflammation can cross into the womb and disrupt the baby’s brain growth. [1]
Impact on the Child’s Brain
- Cognitive Delays: Exposed children often score lower on tests for thinking and memory at 12 to 24 months of age.
- Language Impairments: Mothers who get malaria late in pregnancy are more likely to have babies with delayed language and communication skills.
- Motor Skills: Poor muscle control and delayed physical milestones are also reported, though effects can vary. [1, 2, 3, 4]
Why Early Prevention Matters
Using antimalarial medications and insecticide-treated bed nets during pregnancy significantly lowers the risk of these issues. Preventing the disease protects the placenta and allows the baby’s brain to grow safely.
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1.
Nema S, Singhal R, Bharti PK, Nitika N. Malaria in pregnancy and its potential impact on neurodevelopment in children: a systematic review. Pediatr Res. 2025 Oct;98(4):1257–65.