Oestradiol blood tests detect the presence of estradiol, a type of oestrogen, in your system.

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The main purposes of the oestradiol blood test are:

Assessing Reproductive Health: Estradiol levels are an important measure of the health and function of a woman’s reproductive system. The test measures menstrual cycle regularity, ovulation, and overall reproductive health.

Irregular Menstrual Cycles: The estradiol blood test can assist uncover the underlying causes of irregular menstrual cycles, such as anovulation (lack of ovulation) or hormonal imbalances.

Transition to Menopause: Estradiol levels drop dramatically during menopause. Monitoring estradiol levels can help determine the stage and progression of menopause.

Infertility Evaluation: Estradiol levels, when combined with other hormone levels, provide information about fertility difficulties. Monitoring estradiol levels during assisted reproductive therapies aids in the optimisation of treatment programmes.

Diagnosis of Polycystic Ovary Syndrome (PCOS): Elevated estradiol levels have been linked to PCOS, a hormonal illness that can cause irregular periods and other symptoms.

Imbalances in Hormones: Estradiol levels are important indications of hormonal balance. Abnormal levels can indicate underlying health issues or hormonal imbalances.

Monitoring Hormone Replacement treatment: The estradiol blood test assists women taking hormone replacement treatment (HRT) for menopause confirm that hormone levels are within the recommended range.

Assessing Hypogondism: Low estradiol levels in women may be a symptom of hypogonadism, a disorder in which the ovaries generate insufficient sex hormones.

Bone Health: Estradiol is necessary for bone density maintenance. Monitoring estradiol levels can reveal information about bone health, particularly in postmenopausal women.

*Should not be checked by women taking oral oestrogen such as the combined contraceptive pill.

*For those women using oestrogen gels or sprays these should be omitted on the day of the test but can be applied afterwards.