For questions about the sex marker in U.S. passports, please visit https://travel.state.gov/content/travel/en/passports/passport-help/sex-marker.html .

If you still have questions, please contact the U.S. Embassy or Consulate in Guyana:

https://docs.google.com/forms/d/e/1FAIpQLScTcsJKNorO2jWBj4NKkeiZnMrUjKX7-duiPpPQvBuLKlKgqQ/viewform