Ay, mama, sa 16 weeks kailangan mo talaga na makita ng OB mo para masiguro na lahat ay okay, lalo na kung sudden ang sakit at nag-aalala ka. Hindi ako makakasiguro kung normal yan o hindi without proper check-up, kaya please don't wait pa! A few of us mums dito nag-experience ng abdominal discomfort during pregnancy, pero kung biglaan siya at tumatagal, that's your cue to call your doctor or clinic agad. Better safe than sorry lagi with pregnancy, 'no?