Hi , i got up today to find my daughtewr has spots all round her back im pretty sure its chickenpox as its ?

been going around the nusery , im 33 weeks pregnant can i catch it and will it harm my baby? i have had chicken pox when i was a child , can i get shingles from this? any help , and how long do i keep my daughter in doors for! thats great just got her back to nusery lol and i have a 19 month old son!