Hello mama! Ang OB-GYN mo talaga ang best one to do the ultrasound and tell you the baby's gender, usually around 18-20 weeks na makikita nila ng malinaw, pero depende din sa position ng baby hehe. A few of us had to go back for a second scan kasi ang bata namin ay mahilig mag-cover ng parts, so don't worry kung hindi makita agad!