Zoladex & contraception

I’m single, in my late 30s. Diagnosed with hormone positive breast cancer & have been put on zoladex to help protect my fertility. 

I’m worried about getting into a relationship & using contraception because of the lack of hormone free options. 

It was explained to me, by the oncologist, that zoladex will ‘switch off’ my ovaries. In that case, does it mean that I’m unable to get pregnant whilst on zoladex so no contraception would be needed?

I do not have a good enough relationship with the oncologist or BCN to ask them.

Thanks for your advice

Hello Luskentyre1 

Thank you for your post.  

You ask about contraception whilst on goserelin (Zoladex)  Although goserelin is used to switch off your ovaries, it is still possible to become pregnant whilst taking it, even if your periods stop or become irregular. It is advised that you use a non-hormonal method of contraception such as condoms, femidoms or a diaphragm whilst on this treatment.  

You are very welcome to ask us your questions but it’s unfortunate you are unable to approach your treatment team with any queries. It may help to ask if there is another breast care nurse in the team that you could speak to. 

We have support designed specifically for younger women with breast cancer.   

We are currently running the Younger Women Together support events face to face and online. These events have been created to provide support for women 45 and under with primary breast cancer.  You can register for these events online.  

If you would like to talk with another young woman diagnosed with breast cancer who understands, you can use our Someone Like Me service.  

The Younger Breast Cancer Network (YBCN) is a private Facebook group run by young women for young women (under 45) who’ve had breast cancer. To join, go to Facebook and search ‘Younger Breast Cancer Network’ and send them a private message.  

Do call our helpline if you would like to talk this through or have any further questions. The helpline team have time to listen to your concerns, talk things through and signpost you to more support and information. Your call will be confidential, and the number is free from UK landlines and all mobile networks. The number is 0808 800 6000, (Relay UK -prefix 18001). 

If you would prefer one of our nurses to call you. To do this, please complete this form ticking the box agreeing to a call back.   

Our usual opening hours are Monday to Friday 9am - 4pm and 9am -1pm on Saturday.   

Out of hours you can leave a message and we will call you back when we next open.   

Best wishes  


Breast Care Nurse   

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