Eh boleh jadi Braxton Hicks tu, yang biasa muncul dekat third trimester, perut keras tapi hilang-timbul gitu memang normal, especially kalau baby aktif bergerak. A few of my mum friends pun dulu cakap sama benda ni, tension jap je. Tapi since dah frequent 4 times dalam tengahari + approaching delivery date, best check with your doctor or midwife to make sure everything is okay, takut ada tanda lain yang perlu dilihat. Doakan dipermudahkan nanti, mama!