The mucosa of the cervical canal (endocervix) is composed of a single layer of mucin-secreting columnar epithelium, which lines both the surface and the underlying glandular crypts. Isolated neuroendocrine epithelial cells of argentaffin type or argyrophil type are admixed with the normal endocervical cells.
Air travel Pregnant travellers can normally travel safely by air. In the absence of medical or obstetrical complications, pregnant women can safely fly up to 36 weeks gestation. Most airlines restrict travel in late pregnancy or may require a written confirmation from a physician.
Rest assured that flying while you are pregnant is almost always completely safe, so thereâs no need to change your travel plans. Who Can Fly. There are some restrictions as to just who should and should not travel the skies when they are pregnant. Generally, women who are having a healthy, normal pregnancy are free to come and go as they please. However, the American College of Obstetricians and Gynecologists (ACOG) recommends women donât fly after their 36th week of pregnancy.