Puberty Blockers Clinical Trial

Carla Lockhart Excerpts
Monday 23rd March 2026

(1 day, 12 hours ago)

Westminster Hall
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Carla Lockhart Portrait Carla Lockhart (Upper Bann) (DUP)
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Children deserve protection, not experimentation. In Upper Bann alone, 1,300 people signed the petition—more than twice the number of signatories in any other constituency. Their message is clear and I stand with them.

Animal testing on mice and monkeys shows that puberty blockers cause irreversible damage to brain development. If these hormones are unfit for animals, why on earth are we about to inject them into our children? Children are once again being used as lab rats for a dangerous medical experiment. It is wrong. We should not be experimenting on a fresh cohort. Instead, we should be prioritising a data-linkage study of the hundreds of children who were given puberty blockers at the now discredited and closed Tavistock clinic.

It is reckless to allow minors to take certain risks while they are still maturing. All trial participants will be under 16. We do not allow teenagers to drive, get married, buy alcohol or own a gun. We should not put them on a medical pathway with such life-altering consequences. In fact, for most children who are questioning their gender, going through puberty will naturally resolve their gender dysphoria. We should offer vulnerable young people support and stability, not give them life-altering drugs.

It should send a shiver down our spines when we look at the documentation relating to safeguarding. Participants are warned against getting pregnant while taking puberty blockers; there is no mention of the fact that the legal age of consent is 16. Even more concerningly, girls will be advised to consider getting their eggs harvested, which is normally a procedure for in vitro fertilisation or cancer treatment. Complications include ovarian hyperstimulation syndrome, which can cause severe abdominal pain and even death. There is no mention of those risks in the document.

I have met Keira Bell. She is sounding the alarm for anyone who will listen. Doctors did not give her holistic care; instead, they affirmed her false belief that hasty medical intervention was the answer. My constituents and I need a total ban, not just a temporary pause to this dystopian medical trial.