【FiaYun】評論
(A)diphenhydramine: 懷孕用藥分級B級~為對孕婦來說，相對安全的安眠藥
【MJ Chang】評論
Diphenhydramine is in FDA pregnancy category B and is considered the safest sleeping medication in pregnancy.Melatonin and ramelteon should not be used because of unknown risks to the fetus.