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Tag: Placental barrier

Explore our medication guides and pharmacology articles within this category.

Understanding What Drugs Do Not Cross the Placenta?

4 min read
Approximately 80-90% of all pregnant women take at least one medication during their pregnancy, making it crucial to understand **what drugs do not cross the placenta**. The placental barrier is a dynamic, complex interface that protects the fetus from many substances, but its effectiveness varies significantly based on a medication's specific pharmacological properties.