I am 25 years old. In January of this year, I experienced a spontaneous miscarriage. Currently, I am 8 weeks pregnant according to my physician's calculations, with my last menstrual period on June 25. During my recent examination, the doctor informed me that there was no fetal heartbeat (I underwent a transvaginal ultrasound) and recommended that I return this week for a dilation and curettage to prevent excessive bleeding.

Hello doctor! Is a fetal heart rate of 180 beats per minute at 9 weeks of pregnancy normal or abnormal? Thank you for your advice.