Ay alam ko na yan mamsh, lagi ring ganyan ang tyan ko around that time, it's usually just Braxton Hicks contractions mixed with baby movements na nagpapagaas ng pressure, pero better check with your OB lang para ma-rule out kung hindi lang yan normal at walang other concerns like dehydration or something. A few of us sa barkada namin experienced the same at sabi ng doktor it was all good, pero sigurado lang talaga pag kinonsulta, mas matulog ka ng mahimbing pag nalaman mo it's nothing to worry about, di ba?