The phrase "abnormal periods" is correct and usable in written English.
It can be used in medical or health-related contexts to describe menstrual cycles that are irregular or not typical for an individual.
Example: "If you experience abnormal periods, it is important to consult a healthcare professional for further evaluation."
Alternatives: "irregular menstrual cycles" or "unusual periods".
Along with mental illnesses, the long-term physical consequences of FGM procedures can include chronic vaginal and pelvic infections, abnormal periods, persistent urine infections, possible kidney failure and infertility, according the NHS.
Olivier Blanchard of the IMF thinks the economy now fluctuates between "normal" periods when it behaves as it has during past cycles, and "abnormal" periods when it meets the constraint of zero interest rates and weakens suddenly.
Outbreaks of Bolivian hemorrhagic fever in Bolivia and hantavirus pulmonary syndrome in the United States have been clearly associated with abnormal periods of drought or rainfall, leading to unusually rapid increases in rodent numbers.
His advisers want the vice president to project an air of calm, orderliness and normalcy during this highly abnormal period.
"It's a bit of an abnormal period and people don't expect conditions to be like this again".
It was hard to talk about the pain I suffered from an abnormal period, but it's often as hard to even talk about normal ones.
The "abnormal period of heavy reliance on one part of the economy" will come to an end, and "managing the transition back to more normal, broader based growth will be a key economic challenge over the next few years," the government said in its assessment.
We investigate the dynamic pattern of the evolution of concentration before and after the abnormal period of operations and find that concentration began to rise at least six quarters before, and persisted at a high level until two quarters after the blackout – and then plunged steeply toward the end of the decade.
An abnormal period could potentially be a sign of infertility.
Before the menopause, abnormal menstrual periods together with low estradiol and LH/FSH levels confirm a pituitary problem; after the menopause (when LH/FSH levels are normally elevated and the ovaries produce less estradiol), inappropriately low LH/FSH alone is sufficient.
In addition, abnormal circadian periods in clock mutants suggest a common molecular machinery responsible for circadian rhythmicity.
