missed period


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missed pe·ri·od

the failure of menstruation to occur in any month at the expected time.

missed period

Etymology: OE, missan, to be lacking; Gk, peri + hodos, way
an unexplained interruption in the menstrual cycle.

missed period

Menstruation not occurring at the time it was expected or regularly occurs monthly.
See also: period
References in periodicals archive ?
This hormonal disorder, said to affect 8 per cent of women can lead to irregular and missed periods.
Fully 25% of pregnant women will get false-negative results if they follow the typical instructions to test as early as the first day of the missed period.
None were able to provide us with any data for detecting pregnancy on the first day of missed period or any other date.
Because of France's legal requirement of a one-week waiting period before any abortion, it means that a woman must present herself at a clinic within two weeks after a missed period.
For women in developed countries, RU 486 does away with the physical and emotional pain of surgical abortion; if she takes the drug soon after a missed period, a woman will never know whether she was pregnant.
Companies marketing the tests claim up to 99 percent accuracy, as early as six to nine days after a missed period.
For example, the First Response home pregnancy test kit provides results as early as five days before the first day of a woman's missed period.
The finding supports claims by Church & Dwight officials that First Response can detect pregnancy as early as five days before the first day of a missed period.
Even the Government of India "Manual for First Trimester Medical Termination of Pregnancy" relegates MVA to the category of "menstrual regulation", to be performed only up to 14 days after a missed period (12).
The most serious implication of this finding is that fully 25% of pregnant women will get false-negative results on home pregnancy tests if they follow the typical instructions to test for pregnancy as early as the first day of the missed period," according to Dr.