Sayang, at 39 weeks tu memang perut boleh keras-keras, tapi kalau sakit dan ngilu macam tu + berat sangat nak jalan, jangan tunggu, call your doctor or go to hospital sekarang juga, okay? Better safe than sorry, terutama kalau first baby. Doktor kena check kalau ada contraction yang proper atau ada issues lain. Jangan stay at home lama-lama lepas ni, trust me.