Have you recently been prescribed the contraceptive pill?

Have you recently been prescribed the contraceptive pill?

Researchers are collecting safety information on a new combined oral contraceptive pill. The study is observational — meaning no treatment is given and nothing about your care changes. Your doctor has already prescribed the pill; this study simply runs alongside that.

If you're interested in taking part, click below to answer a few questions and find out if you're eligible.

Who can take part?

Who can take part?

You may be eligible to take part if you:

Are aged 18 or over

Have been prescribed and started taking one of the following pills in the last 30 days:

  • Nextstellis (drospirenone/estetrol)

  • Yaz, Yasmin, or a generic containing drospirenone/ethinylestradiol

  • Another combined oral contraceptive containing a progestogen and ethinylestradiol

Have not used a combined oral contraceptive in the two months before your current prescription

Interested in taking part? Click below to register your interest.

What's involved?

What's involved?

If you take part, you'll complete five short online questionnaires over two years — each takes around 10 minutes and can be done on your phone, tablet, or computer.

At sign-up: a baseline questionnaire covering your basic health history

At sign-up: a baseline questionnaire covering your basic health history

At 6, 12, 18, and 24 months: follow-up questionnaires about your health and pill use

At 6, 12, 18, and 24 months: follow-up questionnaires about your health and pill use

You'll still be asked to complete questionnaires even if you stop or switch contraceptives during the study

You'll still be asked to complete questionnaires even if you stop or switch contraceptives during the study

If you become pregnant during the study, one additional questionnaire will be sent 3 months after your due date

If you become pregnant during the study, one additional questionnaire will be sent 3 months after your due date

Occasionally, if a questionnaire flags a health concern, the study team may follow up to request supporting information from you or your doctor.

Compensation

You'll receive a $20 online gift card for each questionnaire you complete — up to $100 in total. Please allow around 6 weeks for gift card processing.

We want to hear from you

We want to hear from you

This is a completely voluntary study involving around 101,000 women across Europe and the USA. You can withdraw at any time with no consequences.

If you're interested in taking part, click below to get started.

This is a completely voluntary study involving around 101,000 women across Europe and the USA. You can withdraw at any time with no consequences.

If you're interested in taking part, click below to get started.

Your data will only be used in pseudonymised form. Your name and address will never be shared with third parties and will be deleted 5 years after the study ends. All applicable data protection laws will be followed.

The INAS-SEECS study is funded and overseen by Gedeon Richter Plc. This study has been reviewed and approved by the relevant ethics and regulatory authorities.

Your data will only be used in pseudonymised form. Your name and address will never be shared with third parties and will be deleted 5 years after the study ends. All applicable data protection laws will be followed.

The INAS-SEECS study is funded and overseen by Gedeon Richter Plc. This study has been reviewed and approved by the relevant ethics and regulatory authorities.

Your data will only be used in pseudonymised form. Your name and address will never be shared with third parties and will be deleted 5 years after the study ends. All applicable data protection laws will be followed.

The INAS-SEECS study is funded and overseen by Gedeon Richter Plc. This study has been reviewed and approved by the relevant ethics and regulatory authorities.

All rights reserved. Copyright 2026.

All rights reserved. Copyright 2026.