system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Air travel in Pregnancy is permitted up to ________ weeks period of gestation:-
assistant
The correct answer is  WHO IHR's guidelines for air travel in pregnancy upto 36 weeks of period of gestation with single baby.(If twins upto 32 weeks POG) After 28 weeks, mother should carry EDD ceificate.