Hi! So ang transvaginal ultrasound around that timing (mukhang first trimester ka based sa dates mo) ay normal lang, especially to confirm the heartbeat, nakita mo na yan which is great! The 3,700+ fee sa St. Luke's QC sounds about right for that type of scan kasi more detailed siya than regular abdominal ultrasound. A few of us moms from my circle did transvaginal ultrasounds din early sa pregnancy, mostly for confirmation and peace of mind, so don't worry, it's a standard procedure and super important for checking baby's development properly.