Hi, I m 15 weeks pregnant and I have theses hive like itchy red spots on my arms, back,thighs and sides my question is is this normal or should I go see a dermatologisthing? Also if normal what can I take to relieve itching? My OB says its ok to take Benedryl , but I have heard that it may decrease your amniotic fluid Is this true? Thank you, Candice