Nakita ko na rin yan sa anak ko, lalo na nung newborn pa lang, napapakiktan talaga ng boses habang nagsisikap, pero kung parang sobrang hirap siya or medyo matagal, I'd check with your pedia just to be sure, babe. One of my mum friends' baby had constipation at na-refer sila, kaya importante lang malaman kung normal lang strain or may underlying issue na.