Choosing between hormone replacement therapy (HRT) and birth control pills for perimenopause may depend on medical history, risk factors, age, and symptom severity.

HRT and birth control pills may help manage perimenopausal symptoms and protect bone health. This article compares the benefits and risks of HRT and birth control pills for perimenopause.

HRTBirth control pills
Benefits for perimenopause• relieves menopausal symptoms
• protects against bone loss
• reduces risk of osteoporosis
• relieves menopausal symptoms
• protects bone mineral density
• protects against some cancers
Risks and side effects• small increased risk of breast cancer
• heart attack
• deep vein thrombosis
• gallbladder disease
• increased risk of breast cancer
• venous thromboembolism
• heart attack (rare)
How to use• take daily to manage symptoms, and discuss with a doctor when to stop taking• take until menopause

Certain factors are important to consider when choosing between HRT and birth control pills, including:

  • personal and family medical history, such as history of estrogen-based cancers
  • any health risks, such as smoking or obesity
  • age
  • symptom severity

Benefits of HRT for perimenopause include:

Side effects of HRT may includeTrusted Source:

  • abnormal bleeding from the uterus
  • nausea
  • mood changes
  • fluid retention
  • headaches
  • breast tenderness
  • bloating

Risks of HRT include:

The combined pill may not be safe for people who:

Learn more about the uses, types, and effects of HRT.

Benefits of the combined pill for perimenopause include:

Side effects of birth control pills may include:

  • spotting or bleeding between periods
  • nausea
  • headaches
  • sore breasts

Risks of birth control pills include:

  • breast cancer
  • venous thromboembolism
  • heart attack, although these events are rare

It is important for people with a uterus to take estrogen alongside progestogen. The addition of progestogen protects againstTrusted Source abnormal growth of the endometrium, the lining of the uterus, and endometrial cancer. If a person has had a hysterectomy, it is not necessary to take progesterone with estrogen.

People may treat perimenopause symptoms by taking HRT in the form of:

  • pills
  • patches
  • gels
  • sprays
  • vaginal creams, tablets, or rings, which only target vaginal dryness

People will take estrogen-only HRT daily. If they are taking estrogen and progestogen, they may take both daily or estrogen daily, adding progestogen 10 to 14 days each month.

People may take birth control pills for symptoms of perimenopause until they reach menopause.

A doctor may advise taking the pill until the age of 50 years, and then switching to HRT. A doctor may suggest people take oral contraceptives continuously rather than cyclically with a break.

People ages 40 and above will need to check with a doctor that they are safe to take combined oral contraceptives for perimenopause, as they can increase the risk of certain health conditions.

Complementary and alternative therapies for perimenopause symptoms includeTrusted Source:

Some people may experience symptom relief with alternative treatments for perimenopause, but further research is necessary to better understand their safety and effectiveness.

Some natural remedies, such as red clover and soy, may not be safe for people who cannot take estrogen-based hormone therapy. It is important to discuss any supplements with a doctor before taking them for perimenopause.

Learn more about supplements for menopause.

Doctors will assess a person’s individual situation to determine the most appropriate treatment option. This includes assessing factors such as:

  • personal and family medical history
  • health risks
  • age
  • symptom severity

Can HRT and birth control pills be used together during perimenopause?

People cannot use HRT alongside birth control pills containing estrogen, such as the combined pill. People can generally take progestogen-only pills with HRT.

How do HRT and birth control pills affect bone health during perimenopause?

Taking the combined pill in a person’s 40s may help protect bone mineral density. Taking the combined pill 6 years before menopause may increase bone mineral density in some areas of the body, and help reduce the risk of postmenopausal hip fractures.

Systemic estrogen therapy helps to protect against bone loss, which can happen in the early stages of menopause, and helps prevent osteoporosis.

Research suggests bone tissue may start to break down in the transition to menopause, not after menopause. Further research is necessary to know the most effective time to start estrogen therapy to help prevent menopause-related bone loss.

How long can someone safely use birth control pills during perimenopause?

People may take the combined pill until they reach menopause. Estrogen doses in birth control pills are significantly higher than those in HRT for menopause, which may increase health risks. A doctor may recommend switching to HRT at menopause or the age of 50.

People can talk with a doctor to decide whether HRT or birth control pills are best for perimenopause. Factors to consider include medical history, risk factors, age, and symptom severity.