Haiya, kena dermatitis atau fungal infection lah probably, memang gatal dan lecet, few of my mum friends kena jugak terutama time pregnant or postpartum! Best thing is jangan self-diagnose sangat lah, kena jumpa doctor (skin specialist kalau boleh) sebab different types need different treatments, ada antibiotics, ada antifungal, ada steroid cream depending on apa exactly. Area tu sensitive so kena proper diagnosis, bukan random ubat dari pharmacy je. Tahan sikit okay, benda ni boleh settle dengan treatment yang betul!