This article discusses the safe period to have sex which can prevent unwanted Women go through monthly changes in their body in the name of the menstrual cycle. Suppose a woman has a cycle length of 30 days, the ovulation period. Jan 30, - The way sex feels can change throughout your cycle. Women's sexual experience during the menstrual cycle: identification of the . And don't forget to pick a safe word (a member of Clue's support team suggests “pizza”).