A 48-year-old patient was delivered to a hospital in-patient unit with uterine bleeding that occurred after the 2-week-long delay of menstruation. Anamnesis states single birth. Examination of the uterine cervix with mirrors revealed no pathologies. On bimanual examination: uterus is of normal size, painless, mobile; uterine appendages have no changes. Discharge is bloody and copious. What primary hemostatic measure should be taken in the given case?