Pill Called M382 Whats The Pill Called Thats Taken Once A Month During Pregnancy To Make Sure The Baby Grows Healthy After Birt?

Whats the pill called thats taken once a month during pregnancy to make sure the baby grows healthy after birt? - pill called m382

My uncle told me he bought his girlfriend this pill once a month, every month during pregnancy. Babies now about 5 months and has 3 teeth, designed only for a few months. Who knows what this pill called?