What is considered a missed period?

It never came. In hindsight, a missed period would be a late period that never came (even after waiting 2-3 weeks). Some people use the words "late period" and "missed period" to mean the same thing... so a woman might say she has a missed period if her period is a day or two late. The definition isn't written in stone, and that's probably fine.

Related Questions

How many days is considered a missed period?

Amenorrhea. Primary amenorrhea is defined as the absence of menses by 13 years of age when there is no visible secondary sexual characteristic development or by 15 years of age in the presence of normal secondary sexual characteristics. A woman who has previously menstruated can develop secondary amenorrhea, which is defined as absence of menstruation for three normal menstrual cycles or 6 months. Read more...
It is late. if you don't get it the day it is anticipated. It might take a while to figure out if it has been completely missed. Read more...

After how many days is considered a missed period?

Semantics. If you are regular, and a few days go by, you can state that your period is late or "missed" its normal date. By definition, if the whole cycle of normal days go by, then your period was missed in its entirety. Read more...

What causes Missed period?

Possible reasons. Reasons for missed /late periods: low body weight, obesity, marked weight gain or loss, over-exercise such as in endurance athletes, breast-feeding, stress, illness, eating disorders (bulimia or anorexia), travel, hormone irregularities, drug use, medications (i.e., birth control) or med problem(polycystic ovary syndrome or Asherman’s syndrome. #1 reason for missed period is pregnancy. Read more...

Missed period negative test?

See your doctor. I assume from your question you had a negative pregnancy test. The menstrual cycle can vary by a few days from month to month, so if your period is only a few days late, i wouldn't worry. However, if your period is delayed by more than just a couple days you should repeat the test and call or visit your doctor. Read more...
Missed period. Reasons for missed/late periods: low body weight, obesity, marked weight ^ or v, over-exercise, endurance athletics, breast-feeding, ^ stress, illness, eating disorders (bulimia or anorexia), anovulatory cycle (no egg released), travel, hormone irregularities, drug use, meds (i.e., birth control) or medical problems (i.e. PCOS). #1 reason is pregnancy. Read more...
Missed period. If you missed a period and your pregnancy test came back negative, then you most likely had an anovulatory cycle, meaning your ovaries didn't release an egg. This happens from time to time but if consistent, see your doctor because you may have a hormonal imbalance. Consider a birth control consultation to regulate your periods and avoid unplanned pregnancy. Read more...