Menstruation - Absent
Alternate Names : Amenorrhea, Lack of Menses, Missed Periods, Periods - Missed
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Absent Menstruation: Common Causes
PRIMARY AMENORRHEA
- Normal delay of onset (up to age 16)
- Lack of an opening in the membrane at the entrance of the vagina (hymen)
- Drastic weight reduction
- Congenital abnormalities of the genital system
- Chromosomal abnormalities
- Extreme obesity
SECONDARY AMENORRHEA
- Pregnancy
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Anxiety over pregnancy may cause a missed period, thereby increasing the anxiety even further
- Drastic weight reduction
- Vigorous athletics
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Obesity
- Emotional distress
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Menopause (normal for women over age 45)
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Endocrine disorders such as thyroid disease or pituitary disease/tumor
- Drugs such as busulfan, chlorambucil, cyclophosphamide, oral contraceptives, phenothiazines, and non-oral contraceptives (such as Norplant and Depo-Provera)
- Dilation and curettage (D and C)
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