Normal po ba madelay sa menstruation ng 4 months? Naka 6 pt napo Ako pero negative lagi ang results

possible sister in law ko same case negative pt almos 2mos delayed pinag duphaston for 1 week kaso wala talaga period after 2 weeks bumalik for ultrasound niresetahan na sya ng estrogren and progesterone after 1 month ayun meron na sya