Hai! Yalah normal je, yang hardening tu adalah Braxton Hicks contractions, practice contractions jer, bukan labour contractions lagi. Biasanya terjadi more frequently bila kau tired, dehydrated, or active sangat, so minum air banyak-banyak and rest when you can. Tapi if they become painful, very frequent, or ada vaginal bleeding/discharge, better check with your doctor just in case ye!