Mama, please call your OB or go to the hospital agad if the cramping is strong, frequent, or may bloody discharge na kasama, hindi dapat maghintay, lalo na may open cervix ka na! At 36+ weeks with cervix already opening, kailangan talaga ng doctor's check to know kung ito na labor or just Braxton-Hicks (practice contractions na normal). Marami sa amin na nangyari ganito, may cramping pero di pa labor, pero may iba na nabigla talaga. Better safe than sorry, di ba? Call your OB now para ma-monitor properly. Praying for you, mama!