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Primary amenorrhea is defined as an absence of secondary sexual characteristics by age 13 with no menarche or normal secondary sexual characteristics but no menarche by 15 years of age. [3] It may be caused by developmental problems, such as the congenital absence of the uterus, failure of the ovary to receive or maintain egg cells , or delay ...
Disorders of ovulation include oligoovulation and anovulation: [14] Anovulation is absence of ovulation when it would be normally expected (in a post- menarchal , premenopausal woman). [ 15 ] Anovulation usually manifests itself as irregularity of menstrual periods, that is, unpredictable variability of intervals, duration, or bleeding.
Ovulation is the point in your menstrual cycle where your body releases an egg, which may then become fertilized, leading to pregnancy. It normally occurs about halfway through your menstrual cycle.
It is in fact possible to restore ovulation using appropriate medication, and ovulation is successfully restored in approximately 90% of cases. The first step is the diagnosis of anovulation. The identification of anovulation is not easy; contrary to what is commonly believed, women undergoing anovulation still have (more or less) regular periods.
Ovulation is an important part of the menstrual cycle in female vertebrates where the egg cells are released from the ovaries as part of the ovarian cycle. In female humans ovulation typically occurs near the midpoint in the menstrual cycle and after the follicular phase. Ovulation is stimulated by an increase in luteinizing hormone (LH).
Oligoamenorrhea, also known as irregular infrequent periods or irregular infrequent menstrual bleeding, is a collective term to refer to both oligomenorrhea (infrequent periods) and amenorrhea (absence of periods). [1]
Menopause — the transition marked by 12 months without a menstrual cycle, which happens on average by age 51, per Mayo Clinic — usually prompts significant breast changes. That’s because ...
It can be distinguished from metrorrhagia by its regularity. [3] Polymenorrhea can be contrasted with oligomenorrhea, in which menstrual cycles are greater than 35 or 37 days in length. [3] [12] The condition can also be distinguished from polymenorrhagia, which is a combination of polymenorrhea and menorrhagia (heavy menstrual bleeding). [1]