Ay, 21 weeks pa lang, pero excited na agad, totoo yan! Honestly, sa ganyan na trimester, ang baby mo is around 300-400 grams na lang, kaya small pa talaga pero growing super fast na. One of my mum friends nag-share na ang OB niya ay laging nag-check ng weight through ultrasound measurements, so huwag mag-alala kung hindi exact, basta consistent ang growth, okay na yan at healthy na.