Congrats sa baby! Para malakas ang baby mo, kailangan mo ng masustansyang pagkain, maraming protein, fruits, vegetables, at calcium-rich foods tulad ng milk, yogurt, at cheese; a few of us mums swear na consistent prenatal vitamins talaga ang game-changer. About sa side pain, iba-iba ito, pwedeng ligament stretching dahil lumalaki ang uterus, normal lang yan sa maraming pregnant moms, pero since 5 weeks ka pa lang at may sakit ka, better check with your OB just to be sure, baka may iba pang reason at gusto mo peace of mind.