Related Clues:

• Academic division
• Academic term
• School term
• Something that goes for a quarter?
• The third one may end in a hospital visit
• When an embryo develops
• Quarter of twelve?
• Obstetrical period
• An elephant has a long one
• Three-month period
• Sounds as if one might perhaps be making joke of pregnancy
• There's development,back for instance for the railways there
• It might perhaps sound like the makings of a joke to be in the womb
• By the sound of it, making a joke, perhaps, of this development
• Joking, perhaps, in the womb