Having a scheduled surgery coincide with the start of a menstrual period is a common concern for many patients. This occurrence is frequent and, in almost all cases, will not lead to the delay or cancellation of a procedure. Menstruation is a normal physiological event that surgical teams are prepared to manage. This information provides a clear understanding of necessary pre-operative communication, logistical adjustments in the operating room, and physiological factors to consider.
The Necessity of Pre-Surgical Disclosure
Open communication with the surgical team about your menstrual status is necessary for safety and proper planning. Informing the nurse, surgeon, and anesthesiologist, even if the flow is light, allows the team to correctly document your current physical state. This disclosure is a routine part of comprehensive pre-operative assessment and protocol.
This information helps the team plan for the procedure and recovery, ensuring appropriate supplies are available. For specific operations, such as those related to the urinary tract or certain gynecological procedures, the timing of the cycle can be more relevant to the procedure itself.
Practical Management in the Operating Room
Once prepared for surgery, specific logistical changes are implemented to maintain a sterile environment and ensure patient safety. All personal internal menstrual products, such as tampons or menstrual cups, must be removed before the procedure begins. The primary reason for removal is the risk of Toxic Shock Syndrome (TSS) if the product is left in place while you are unconscious.
Another safety concern is the potential for interference with medical equipment, particularly the grounding pads used for electrocautery devices. These devices generate heat and could cause injury if placed over a wet object. Instead of personal products, the hospital provides highly absorbent, specialized surgical pads and protective linens to manage the flow during the procedure. Nursing staff routinely check and change these hospital-grade pads during surgery and in the recovery room.
Physiological Considerations for Surgery and Recovery
The presence of menstruation during surgery has only a marginal impact on the body’s overall physiological state. The belief that menstruation significantly increases the risk of surgical bleeding is largely unfounded. Studies of procedures like cardiac or spinal surgery show no increase in total surgical blood loss compared to other times in the menstrual cycle. The body’s blood clotting mechanisms are not impaired, and the amount of blood lost during a typical period is minor in the context of most surgical procedures.
Hormonal fluctuations during the menstrual cycle may slightly influence the perception of pain during the post-operative period. Some research suggests that patients in the luteal phase (the time after ovulation but before menstruation) may experience a heightened sensitivity to pain. However, other studies show no difference in pain scores or analgesic needs. Surgery itself is a stressor that can cause temporary shifts in the timing or flow of subsequent menstrual cycles, but this normal response typically resolves on its own.

