I am 15 years old and during the last three months my menstrual cycle has not been regular. Now, two days before Ramadan, I have been menstruating continuously for nearly 6 weeks, and the bleeding has not stopped.
I am certain that this blood is menstrual blood and not Istihadah, as the (female) doctor said. The reason for that is a problem with the female hormones.
The doctor has made an appointment for me to have an ultrasound to examine and check the state of my ovaries. This date is in the middle of Ramadan, in the morning.
The problem is that it requires me to break my fast on this day in order to drink water before the ultrasound.
My question is: is it permissible to keep this appointment and is it permissible for me to break my fast on this day, or should I delay the appointment until after Ramadan? Will I be sinning if I do not delay it?
Please note that the appointments here are very difficult to get and I may wait another month to do this examination.