Anpheros Search · Condition

Period pain and other conditions of the female genital organs (including PMS)

Also known as: Female pelvic pain associated with genital organs or menstrual cycle, unspecified

General information only. Anpheros does not diagnose and does not recommend treatment. Talk to a doctor or pharmacist about your situation. In an emergency, call 112 (or your local emergency number).

In short

Menstruation is normal vaginal bleeding that occurs as part of the monthly cycle in women and girls when the uterus sheds its lining because pregnancy does not happen. In addition to vaginal bleeding, menstruation can cause symptoms such as cramping pain in the lower abdomen or pelvis, lower back pain, bloating, sore breasts, food cravings, mood swings, headaches, or fatigue. Menstrual irregularities include amenorrhea, which is the absence of a period, oligomenorrhea, which is periods happening less often, menorrhagia, which is very heavy bleeding, prolonged bleeding lasting longer than 8 days, and dysmenorrhea, which refers to painful periods.

Source: MedlinePlus, National Library of Medicine.

AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.

Codes

ICD-10: N94
ICD-11: GA34.Z Female pelvic pain associated with genital organs or menstrual cycle, unspecified

Description

What is menstruation?
Menstruation, also called a period, is normal vaginal bleeding that happens as part of the monthly cycle in women and girls. Every month, the body prepares for pregnancy. If pregnancy does not happen, the uterus (womb) sheds its lining. This blood and tissue leave the body through the vagina.
What is the menstrual cycle?
The menstrual cycle is the monthly process the body goes through to prepare for pregnancy. It is counted from the first day of one period to the first day of the next. Most menstrual cycles last about 28 days, but cycles can be shorter or longer and still be normal.
When will my period start?
Most girls start having a period between ages 9 and 15, but some may start earlier or later. A period usually lasts three to seven days and can be light or heavy. It may take a few years to become regular.
Your period may change during times that affect hormones, such as after childbirth or while breastfeeding. Periods usually continue until menopause, which most often happens between ages 45 and 55.
What are the symptoms of menstruation?
In addition to vaginal bleeding, you may have:
Cramping pain in the lower abdomen (belly) or pelvis
Lower back pain
Bloating
Sore breasts
Food cravings
Mood swings or irritability
Headaches or fatigue
Premenstrual syndrome (PMS) is a group of physical and emotional symptoms that can happen in the days before a period starts. Many women have some PMS symptoms, which usually go away after their period begins.
Many women and girls use menstrual products such as pads, tampons, menstrual cups, or period underwear to manage bleeding during their period. Changing or cleaning these products often helps you stay comfortable and clean.
What are menstrual irregularities?
Menstrual irregularities are changes in the usual menstrual cycle. These may include missed periods, irregular periods, or heavy bleeding. Common menstrual irregularities include:
Amenorrhea means not having a period.
Oligomenorrhea means having periods that happen less often.
Menorrhagia means very heavy menstrual bleeding.
Prolonged menstrual bleeding occurs when periods regularly last longer than 8 days.
Dysmenorrhea refers to painful periods that may include severe cramps.
Keep track of your period each month. This can help you understand your usual cycle, know when to expect your next period, and notice changes.
Talk with your health care provider if you notice major changes in your menstrual cycle, very heavy bleeding, or severe pain. These may be signs of other health problems that need treatment.
NIH: National Institute of Child Health and Human Development

Source: MedlinePlus, National Library of Medicine.

Next to it in ICD-10

Neighbouring codes in the classification, not a medical link.

External resources

Questions

What is the ICD-10 code for Period pain and other conditions of the female genital organs (including PMS)?

N94 (WHO, International Classification of Diseases, 10th Revision).

What is the ICD-11 code for Period pain and other conditions of the female genital organs (including PMS)?

GA34.Z: Female pelvic pain associated with genital organs or menstrual cycle, unspecified (WHO, ICD-11 for Mortality and Morbidity Statistics).

Sources and attribution

Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
Source: MedlinePlus, National Library of Medicine.
ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).

Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →

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