Sayang, this is something you really need to see your doctor or go to the hospital about right away, chickenpox during pregnancy boleh jadi serious and they need to check you and baby properly, especially at 24 weeks. Don't wait, ok? Please call your gynae or go to emergency sekarang juga. They'll do blood tests and monitor baby with ultrasound to make sure everything is ok. Wishing you both well, sending love!