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Conditions

IVF and reproductive medicine · Fertility

Ovulation disorders

Understand absent, infrequent or irregular ovulation that can reduce the chance of pregnancy.

Editorial publication · Medical review pending.

Understand

Ovulation disorders include absent or irregular ovulation. They are a common cause of infertility but represent several different underlying mechanisms.

Possible symptoms

Periods may be absent, widely spaced or unpredictable. Apparently regular cycles do not exclude every disorder, and other symptoms may reflect the underlying hormonal cause.

Causes and associated factors

PCOS, major changes in weight or exercise, thyroid or prolactin disorders, hypothalamic or pituitary problems and ovarian insufficiency can disrupt ovulation.

Diagnosis

Diagnosis combines cycle history, symptoms, examination and investigation of the cause; it is not established by an app or temperature chart alone.

Tests

Progesterone measured at the appropriate time can confirm ovulation. With irregular cycles, other hormone tests and ultrasound may be indicated depending on the context.

Course of the condition

The course depends on the cause. Some disturbances are reversible; others need longer-term fertility and hormonal-health follow-up.

Care options

An identifiable cause is treated where possible. Ovulation induction may be offered with monitoring; the medicine chosen and risks of multiple pregnancy or overstimulation should be explained.

When to consult

Seek advice if periods stop for more than three months without explanation, are very irregular, or pregnancy is delayed, especially with new hormonal symptoms.

Urgent help

Severe pelvic pain, heavy bleeding, collapse or pain with possible pregnancy needs urgent assessment. During stimulation, promptly report pain, swelling or shortness of breath.

Questions for your doctor

  • Which cause or combination of factors explains our fertility difficulty?
  • Which tests are genuinely useful before deciding?
  • Which options exist before or instead of IVF?
  • Which benefits, limits, risks and costs should we compare?
  • What support and reassessment timeline should we plan?

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A procedure linked to a condition does not establish an indication for your individual situation.

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