Itchiness and rashes

Good pm mga momshies, im on my week 17 now. And currently experiencing rashes s singit po both sides, not sure if this is normal or this is a not good sign for something... Despite of proper hygiene(feminine wash and keeping it dry). Mejo matagal pa kc ang balik q s OB for checkup pra sna ma consult ko. Any advise pls or having the same prob... Thanks in advnce s comments..