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Common Cannabis Use in Pregnancy
- Cannabis use during pregnancy is surprisingly common, especially in states with legal recreational use.
- Studies show up to 30% of young urban women use cannabis during pregnancy, exceeding estimates from legal states.
THC and the Placenta
- Substances consumed by a pregnant person can reach the fetus through the placenta, although a filtering process occurs.
- While THC and its metabolites can cross the placenta, it's unclear how much reaches the fetus and what effect it has.
THC Receptors and Fetal Development
- While THC receptors exist in the placenta and fetal brain, their function remains unknown.
- Existing research focuses on measurable factors like birth weight and head circumference, but these don't reveal long-term impacts.