The common causes of missed menstrual periods include:
1. Having an irregular cycle. This is common in girls first starting their periods.
2. Being pregnant.
3. Being in perimenopause. That is the 1-3 years before full menopause.
4. Starvation and eating disorders.
5. Severe stress.
A missed period is more likely to be a sign of pregnancy. Missed periods are common. If this is abnormal for you, it is best to consult with your doctor to determine a diagnosis.
The most common reason for a missed period is pregnancy.
It is quite common to miss a period and there can be a lot of different reasons for it. Although pregnancy is probably the most common cause of missing a period, there are lots of other causes as well. Some common causes are: Stress, losing or putting on a lot of weight or anything which will cause hormonal changes. However, there are occasionally other more serious causes for a missed period such as STIs or polycystic ovaries syndrome so it is worth getting checked out if none of the other causes such as stress relate to you. If you miss more than one period then you should definitely see your GP.
I don't think fibroids cause missed periods, if anything they make them longer and heavier. Causes of a missed period: Stress Emotional disturbance Over-dieting Over-exercising
Missed or late periods happen for many reasons other than pregnancy. Common causes can range from hormonal imbalances to serious medical conditions.
Stress can cause a missed period or so can PCOS, Hormonal Imbalance, Endometriosis, STD, ovary problems or not ovulating. See your doctor.
The most common reason for a missed period is pregnancy. Other causes include medications and hormonal imbalance. Stress, illness, medications, and weight changes can also be factors when it comes to missing a period.
Missed period, common pregnancy symptoms, and/or a positive pregnancy test.
Missed period, common pregnancy symptoms, and a positive pregnancy test.
Trichomoniasis will not cause a missed period.
Missing a period has many causes besides pregnancy. Many women (especially adolescents) have irregular periods to begin with. Stress, illness, and poor diet can also cause missed periods. See your doctor if this continues. One missed period is not cause for panic.
If the 16yr old was regular and then missed one randomly - she could be pregnant. If she has only just started, it is common for periods to be missed, late, early etc.