Sims on their Period will experience hormonal side-effects and menstrual bleeding. It's worth noting that Elder Sims do not have a menstrual cycle anymore, as they already went through menopause. If the Sim got pregnant during the Fertile Windows, their cycle will continue with the next Period sometime after giving birth.ĭuration of Sims Menstrual Cycle depends on the Sim Lifespan setting by default, but it can be overridden with the 'Menstrual Cycle Duration' setting in Wicked Settings -> Pregnancy Settings -> Menstrual Cycle Settings. Just a couple of days before the cycle begins anew, Sims might experience the Premenstrual Syndrome with a set of hormonal moodlets, warning them that another Period is coming. And then comes nothing, as the Luteal Phase takes its time preparing another potential bloody disaster by thickening the lining of Sim uterus. There are a few Fertile Windows that continuously increase the chance of conception until the day of Ovulation. During that Period they will experience a set of hormonal moodlets and the need to use pads or tampons to avoid staining their underwear and clothes with menstrual blood.

Sim's first day of the cycle is defined by the first day they begin bleeding.

Every cycle consists of 4 distinct segments: the Premenstrual Syndrome, the Period, the Fertile Windows (Ovulation), and the Luteal Phase. You can adjust the pregnancy chances with the 'Player Sims Pregnancy Chance' and 'NPC Sims Pregnancy Chance' settings.Įvery Sim in the game that is capable of giving birth has its own unique Menstrual Cycle. ❌ Don't like Sims having a Menstrual Cycle? Simply open Wicked Settings -> Pregnancy Settings and uncheck the 'Menstrual Cycle Switch' setting. Thank you to PhaseLotA for creating the menstrual cycle icons. Thank you to Noir and Dark Sims for creating condoms and birth control pills objects. Thank you to REMI for creating pads and tampons objects. Menstrual Cycle content has been introduced in release v122 (December 2017) but grew and improved since them, so it's worth taking a look at it again. Sims will now deal with the joys of the Premenstrual Syndrome, bleeding from periods, fighting against them with pads and tampons or preventing them with medication, planning ahead of the fertility window, to try to protect themselves with condoms and birth control pills, or 'deal with' pregnancy after the fact. Generally, Sims don't experience such complex systems and some gymnastics under the covers are enough to make a baby, but not anymore. The Menstrual Cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible.

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