1. relating to or involving the corpus luteum, a temporary structure in the ovary that forms after ovulation
Usage: medical; biology

Examples

• The luteal phase occurs after ovulation in the menstrual cycle.
• Progesterone levels rise during the luteal phase.
• The doctor explained that luteal defects can affect fertility.
• Luteal cysts may form when the corpus luteum doesn’t break down properly.
• The luteal phase typically lasts about 14 days.
• Some women experience mood changes during the luteal phase.