Children of the 90s

Children of the 90s Want to take part? If you aren't sure, get in touch! Children of the 90s are a group of nearly 20,000 young people, born in 1991 and 1992 in and around Bristol.

If you were born around Bristol between April 1991 and December 1992 - you might be in the Children of the 90s research project and eligible to get involved! Scientists have studied these young people to aim to help discover the causes of the most important health and social problems facing the world today so that we can help prevent those problems. Taking part is voluntary and 100% confidential.

It includes attending our research centre, filling out questionnaires and in the future giving us permission to use the routine information that's collected on all of us by health, social and other services and official organisations. If you were born in 1991 or 1992 in Bristol or Weston send us a message and we'll let you know how you can take part. Discoveries made by scientists working on Children of the 90s are making a difference to lives around the world.

Have you ever experienced heavy periods or severe pain? 🩸CycleTrack is a new study looking at menstrual health and we're...
12/05/2026

Have you ever experienced heavy periods or severe pain? 🩸

CycleTrack is a new study looking at menstrual health and we're looking for a participant who can take part in media interviews about their symptoms.

If you suffer from heavy menstrual bleeding (HMB) we'd be keen to talk to you about taking part in the coming months 🎤

HMB is excessive menstrual blood loss that interferes with your physical, social, emotional and / or quality of life. It can occur with or without underlying pathology (e.g. fibroids, hormonal issues).

Common symptoms can often include:

🔴Bleeding lasting longer than 7 days
🔴Needing to change protection every 1–2 hours
🔴Passing large clots
🔴Signs of iron deficiency anaemia (e.g. fatigue, dizziness)

Please DM us if you'd be interested in sharing your experiences as part of a media interview 📩

11/05/2026

We've launched a new study called CycleTrack - looking at periods and menstrual health 🩸

Menstrual health is an important indicator of overall health - just like blood pressure or heart rate, the menstrual cycle can give us valuable insights.

To take part, simply complete the questionnaire recently sent to you - you may also be asked to take part in the second phase which will help us collect the world's largest biobank of menstrual fluid for your age group 🌎

Look out for your email for further details 📩

It was so lovely to see Jessica and Jonathan with their little one Flynn in the clinic a few weeks ago!Flynn was gifted ...
08/05/2026

It was so lovely to see Jessica and Jonathan with their little one Flynn in the clinic a few weeks ago!

Flynn was gifted his teddy as part of his 6 month visit 🩵

Thank you guys for coming in to see us!

Find out more about the Children of the Children of the 90s (COCOs) here: https://www.bristol.ac.uk/alspac/participants/our-participants/coco90s/

As we continue to build a richer picture of our original Children of the 90s (our G1 participants), we’re making a small...
01/05/2026

As we continue to build a richer picture of our original Children of the 90s (our G1 participants), we’re making a small but important change to the Children of the Children of the 90s (COCOs) clinic visits 🎈

We’ll now be inviting G1 parents to attend all COCOs clinic visits with their child. At these visits, we’ll collect data from both the G1 and child📏

We'll also now be collecting partner data (once) at the antenatal appointment👶

All COCOs emails will be sent to the G1 parent - including a separate email regarding the COCOs questionnaire📩

For further information see our FAQ page: https://www.bristol.ac.uk/alspac/participants/our-participants/coco90s/cocos-faqs/

Introducing Coco the puppy! 🎈Coco is our new mascot for Children of the Children of the 90s (COCOs) 🐶He is based on the ...
16/04/2026

Introducing Coco the puppy! 🎈

Coco is our new mascot for Children of the Children of the 90s (COCOs) 🐶

He is based on the teddy all 1 year old children receive when they visit clinic for their 12 month appointment.

Look out for Coco in our activity sheets and new guides for children coming soon! 📕

Designed by the very talented Danielle.B Illustration 🖌

It was lovely to see Silas and his little daughter Torvi in our children of the Children of the 90s (COCOs) clinic a few...
08/04/2026

It was lovely to see Silas and his little daughter Torvi in our children of the Children of the 90s (COCOs) clinic a few weeks ago 🐥

Our COCOs clinics are a fun and friendly space designed with youngsters in mind.

You can take part in as much or as little as you're comfortable doing - and know you're contributing to future health discoveries as you do it.

Thank you to all of our wonderful participants!

Learn more here... https://www.bristol.ac.uk/alspac/participants/our-participants/coco90s/

Thank you to all of our wonderful G0 (original) mothers who took part in the Focus on Mothers clinic since early 2025 - ...
07/04/2026

Thank you to all of our wonderful G0 (original) mothers who took part in the Focus on Mothers clinic since early 2025 - over 1,200 of you have attended the sessions.

The response rate from this study was one of the highest we've ever had - around 65% of people we asked took part.

The information from this clinic will help researchers to understand how women's brains change over time, as well as changes in vision and memory 💭

Wishing you all a lovely long weekend! 🐰🐣After today, our offices will be closed until Wednesday 8th April 🌺
02/04/2026

Wishing you all a lovely long weekend! 🐰🐣

After today, our offices will be closed until Wednesday 8th April 🌺

Interested in taking part in COCOs? 📏We see our Children of the Children of the 90s (COCOs) in clinic from birth to 11 y...
02/04/2026

Interested in taking part in COCOs? 📏

We see our Children of the Children of the 90s (COCOs) in clinic from birth to 11 years💫

Our COCOs clinic sessions take place:
📆Wed - Sat
⌚9am - 4.30pm
🏨Southmead Hospital

Contact us to arrange an appointment and a receive a free gift (0 - 4 years) or a £10 shopping voucher (5 - 11years) for your child!

We offer free snacks and transport - and can provide a letter for your child's school / your employer.

Mobile: 07772 102 649 📱
Email: alspac-coco90s@bristol.ac.uk 📩

26/03/2026

Thanks to Sophie for coming in for her pregnancy visit a while back 💚

Pregnancy is such a unique period for your health, so we're always keen to check in with our original Children of the 90s, or their partners, at this time.

Pregnancy visits include height, blood pressure, weight and more…

But of course it's all optional, and you can choose what you do!

Get in touch with us to book in at coco90s@childrenofthe90s.ac.uk 📩

'Having moved away from Bristol at a young age, Children of the 90s certainly connects me back to the city I was born in...
20/03/2026

'Having moved away from Bristol at a young age, Children of the 90s certainly connects me back to the city I was born in.

I really enjoy being involved and seeing all the incredible research that's carried out. I'm proud to be a part of it!'

Thank you to Sam and the thousands of you who remain committed to Children of the 90s - even after moving away.

And thanks to puppy Wilma too for taking part in our photoshoot! 🐶

Address

Learning & Research Building (Level 1 Atrium), Southmead Hospital
Bristol
BS105FN

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