Recommendation to avoid all drugs during first trimester is unrealistic.
Czeizel
A E
AE
D000075202:Contraindications; D004358:Drug Therapy; D005260:Female; D006293:Health Promotion; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D013723:Teratogens
D013723:Teratogens