Why is it dangerous to use methamphetamine during pregnancy?

Methamphetamine use during pregnancy can increase the mother's blood pressure and heart rate. This can result in an increased risk of premature delivery or miscarriage, restricted fetal growth and increased lethargy in newborns. Additionally, methamphetamine constricts blood vessels in the placenta. This means there is less blood flow to the fetus, and the fetus receives less oxygen and nutrients. The drug can also pass through to the placenta, which increases the fetus's blood pressure. This can result in stroke or heart damage, as well as slow fetal growth.

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