Hi mama! Heart rate ng baby ay importante talaga, kaya kung concerned ka, please check with your OB right away, sila ang makakapagsabi ng exact kung normal ba para sa baby mo.
At 12 weeks, ang baby's heart rate ay usually faster than adults, pero your doctor ang best person to explain kung okay ang 152 BPM for your little one. Don't worry yourself too much, most of the time, babies are doing just fine! Keep your next appointment and ask your OB lahat ng concerns mo. Take care, mama!