Breastfeeding and Breast Cancer: Understanding Your Options

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While it is relatively rare for women to receive a breast cancer diagnosis during or shortly after pregnancy, it is still a possibility that deserves careful consideration. If you find yourself in this situation, it’s essential to understand the advantages and potential risks associated with breastfeeding while undergoing cancer treatment. Your decision will largely depend on the specific treatments you are receiving since some medications can transfer into breast milk, potentially posing risks to your baby.

Common Questions About Breastfeeding with Cancer

If I’ve undergone treatment during pregnancy, how long should I wait before breastfeeding?
The duration depends on the type of treatment you received. Each medication has a different clearance time, so consulting with your healthcare provider is critical.

Will I need to delay treatment if I want to breastfeed?
While breastfeeding is increasingly recognized for its benefits, it is crucial not to compromise your health and well-being. Consider discussing “safe” therapies, formula options, or even using donated breast milk with your doctor.

Is it safe to breastfeed after a unilateral lumpectomy or mastectomy?
Generally, yes! Breastfeeding from one breast can be safe, although some tips can help make it more comfortable. If you have a lumpectomy, be aware that radiation therapy may follow, and a mastectomy could be recommended for those wanting to continue breastfeeding.

Which cancer treatments are unsafe during breastfeeding?
Certain treatments may appear in breast milk, creating concerns for your baby. Below is a brief list of targeted therapy drugs to be cautious with (brand names in parentheses):

  • Everolimus (Afinitor, Afinitor Disperz, Zortress) – Wait 2 weeks post-treatment before breastfeeding.
  • Trastuzumab (Herceptin) – Avoid breastfeeding and trying to conceive for 7 months after treatment.
  • Palbociclib (Ibrance) – Do not breastfeed during treatment or for 3 weeks afterward.
  • Pertuzumab (Perjeta) – Avoid breastfeeding during treatment and for 7 months after.
  • Ribociclib (Kisqali) – Avoid breastfeeding and trying to conceive for 3 weeks post-treatment.

A partial list also includes hormone therapy drugs that are not safe for breastfeeding:

  • Tamoxifen (Nolvadex, Soltamox) – This can decrease milk production; avoid during breastfeeding.
  • Anastrozole (Arimidex) – Not recommended during pregnancy or breastfeeding; only for postmenopausal women.
  • Letrozole (Femara) – Should not be taken during pregnancy or while breastfeeding.

Can cancer treatments affect my milk supply?
Yes, treatments can potentially reduce milk production, but the extent will depend on various factors.

Are any treatments considered safe during breastfeeding?
Aside from surgical options, most treatments are discouraged while breastfeeding. Some healthcare providers may recommend stopping breastfeeding before surgery to minimize infection risks and complications.

If I haven’t had a mass removed yet, is it safe to use breast milk from that breast?
This is highly contingent on your physician’s guidance, which will take into account the specific circumstances surrounding your diagnosis and treatment.

For more insights into pregnancy during challenging times, you can read about how other women have navigated through similar situations on our blog about delayed IUI, which you can find here. Resources like Modern Family Blog can also provide valuable perspectives on this topic, and if you’re interested in at-home insemination, Make a Mom offers innovative solutions, including reusable options for insemination. For a comprehensive understanding of the IVF process, check out this excellent resource from Parents.

Summary

Navigating the challenges of breastfeeding while facing breast cancer involves careful consideration of treatment options and potential risks to your baby. It’s essential to have open discussions with your healthcare provider about the best course of action tailored to your specific situation. Understanding the implications of various treatments and exploring alternatives can help you make informed decisions during this challenging time.