I know that this page is about breastfeeding and medication but I think that is important to share this too. I started writing it for another organisation a year ago but it hasnt gone anywhere so now it is here.
Anyone who is on sodium valproate (Epilim) should be taking adequate contraceptive protection https://www.fsrh.org/news/mhra-contraception-drugs-birth-defects-fsrh-guidance/ . It could be for epilepsy or it could be as a mood stabiliser but it is essential that you do not become pregnant. This factsheet explains why