<https://drrichswier.com/2021/09/29/california-prenatal-marijuana-use-by-pregnant-women-up-25-during-covid/#webpage>
<http://schema.org/description>
"Kaiser Permanente Northern California researchers studied 100,005 pregnancy records of 95,412 women before and during the COVID pandemic. They found that"
<https://drrichswier.com/2021/09/29/california-prenatal-marijuana-use-by-pregnant-women-up-25-during-covid/>