Menstruation (often called a period) is a normal, monthly process in people who have a uterus.
Here’s what’s happening in simple terms:
Each month, the body prepares for a possible pregnancy by building a lining inside the uterus.
If pregnancy doesn’t happen, that lining isn’t needed.
The body sheds it, and it leaves through the vagina as blood and tissue — this is menstruation.
It usually happens about once a month
Bleeding typically lasts 3–7 days
It’s part of the menstrual cycle, which also includes ovulation
Common symptoms can include cramps, bloating, fatigue, mood changes, or headaches (varies a lot from person to person)
Menstruation is a sign that the reproductive system is working as expected - totally natural, even if it can be uncomfortable.
Menstrual Phase (Period)
The uterus sheds last month’s lining
Blood and tissue leave the body through the vagina
Lasts about 3–7 days
Common feelings: cramps, tiredness, lower energy
Follicular Phase
Starts during the period and continues after it ends
Hormones tell the ovaries to prepare eggs
The uterus begins rebuilding its lining
Energy often starts to rise
Ovulation
One ovary releases an egg
Usually happens around day 14 (in a 28-day cycle, but this varies)
This is when pregnancy is most likely
Some people feel mild pain or notice clear, stretchy discharge
Luteal Phase
The uterus lining thickens, ready for pregnancy
If no pregnancy happens, hormone levels drop
This leads back to the next period
Some people experience PMS (mood changes, bloating, cravings)
After the luteal phase, the cycle starts again with menstruation.
Menstruation can affect the body in lots of physical ways - and the experience can be very different from person to person. Here’s a clear breakdown of the common physical impacts
1. Cramps (lower abdomen or back)
Caused by the uterus contracting to shed its lining
Can range from mild to intense
2. Bleeding
Normal blood loss is about 2–3 tablespoons total
Heavier flow is common in the first few days
3. Fatigue / Low energy
Hormone drops + blood loss can make you feel tired
Iron levels can play a role, especially with heavy periods
4. Headaches
Triggered by hormonal changes, especially estrogen drop
5. Bloating
Water retention due to hormones
Can make the stomach feel tight or swollen
6. Breast tenderness
Hormonal shifts cause swelling or soreness
7. Digestive changes
Diarrhea or constipation
Nausea in some people
8. Muscle or joint aches
Especially in the lower back, hips, or thighs
9. Appetite changes
Cravings or reduced appetite
10. Sleep changes
Trouble sleeping or needing more rest
11. Skin changes
Acne flare-ups around the cycle
Some symptoms should be checked by a healthcare professional:
Pain so severe you can’t function
Bleeding that soaks a pad/tampon every hour
Periods lasting longer than 7–8 days
Frequent dizziness or fainting
Menstruation doesn’t just affect the body - it can have a real emotional and mental impact too. This is mostly due to hormonal changes, and it’s very common
Sudden shifts between feeling okay, sad, irritable, or overwhelmed
Caused by changes in estrogen and progesterone
Small things can feel unusually frustrating
Less emotional “buffer” than usual
Feeling teary, heavy, or down for no clear reason
Especially common right before or during the period
Feeling on edge, restless, or worried
Can affect focus and sleep
“Brain fog,” forgetfulness, or low motivation
Increased self-criticism or negative body image
Wanting more alone time or less interaction
Before the period (PMS): emotional symptoms are often strongest
During the period: emotions may feel heavy but start to stabilize
After the period: mood often improves as hormones rise again
Emotional symptoms may need medical support if:
Mood changes interfere with daily life or relationships
Depression or anxiety feels intense or lasts most of the month
You experience extreme mood shifts (possible PMDD)
Rest and gentle movement
Talking it out (friends, family, journaling)
Balanced meals and hydration
Being kinder to yourself - emotions during menstruation are real and valid