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For some treatment add-ons, there is not enough evidence to show that they are effective at improving the chances of having a baby for most fertility patients. This page explains what some of these treatment add-ons are.

Last updated: 16 October 2023

Review date: 16 October 2025

Read our statement from Peter Thompson, Chief Executive of the HFEA about treatment add ons

Last updated: 12 November 2018

Review date: 12 November 2020

The HFEA, the UK fertility regulator, today calls for a change in how patients are offered optional fertility treatment add-ons.

Last updated: 14 January 2019

Review date: 14 January 2021

If you are having or have had fertility treatment you may have been offered add ons which aim to increase the success rate of your treatment. This survey is designed to find out what patients think about these add ons, how they should be offered by clinics and what information patients needs and how much they should expect to pay.

Last updated: 14 June 2017

Review date: 14 June 2019

HFEA official response to BBC Panorama regarding fertility treatment 'add-ons'.

Last updated: 16 January 2017

Review date: 16 January 2019

In this blog a former patient shares her experience with being offered treatment add-ons and gives some advice to patients who are may be considering it.

Last updated: 22 January 2024

Review date: 22 January 2026

The updated treatment add-ons ratings system has five categories to help patients make informed decisions.

Last updated: 18 October 2023

Review date: 18 October 2025

Former fertility patient Jo, who had her baby after five years of fertility treatment, shares her advice on treatment add-ons and the importance of information.

Last updated: 26 April 2021

Review date: 26 April 2023

For most patients, having a routine cycle of proven fertility treatment is effective without using any treatment add-ons.

Last updated: 16 October 2023

Review date: 16 October 2025

Last updated: 25 August 2020

Review date: 25 August 2022