Wells Fargo Bank NA in Phoenix, Arizona Routing Number, Address, Swift Codes.
Luteal phase. The luteal phase is the latter phase of the menstrual cycle (in humans and a few other animals) or the earlier phase of the estrous cycle (in other placental mammals). It begins with the formation of the corpus luteum and ends in either pregnancy or luteolysis.
luÂ·teÂ·al phase. That portion of the menstrual cycle extending from the time of formation of the corpus luteum to the onset of menses, usually 14 days in length; short luteal phase, a period of 10 days or fewer between ovulation and the onset of menses, frequently associated with infertility.