More Information for Patients

Who can participate in the Study?

  • Women who were treated with VYVGART during their pregnancy, or who became pregnant within 25 days of taking VYVGART; and/or
  • Women who are being treated/have been treated with VYVGART during breastfeeding

Why should I participate in this Study?

Your participation is voluntary but will provide important information that may eventually be used by healthcare providers and future patients when weighing the benefits and/or risks of taking efgartigimod during pregnancy and/or breastfeeding. The success of the study is dependent upon the participation of eligible patients and healthcare providers. Thank you for your time and consideration.

How can I enroll?

BY PHONE- Call the VYVGART Pregnancy Study at

ONLINE- "Click" on the link to Report a Pregnancy
               [Report a Pregnancy]

By providing your contact information, someone from the Pregnancy Study Coordinating Center will contact you to confirm the necessary information to complete the registration. You may also ask your healthcare provider to enroll you.

If you are eligible and would like to participate, you will be asked to provide your informed consent to acknowledge your understanding of the study and to provide your permission for your personal and infant's healthcare information to be collected. If you are interested in consenting, please contact the VYVGART Pregnancy Study Coordinating Center. After consent is received, a study representative will contact your healthcare provider to confirm your personal health information.


Informed Consent Form


Medical Information Release Form (MIR)

What will my participation involve once I am enrolled?

Your participation in the study may last throughout your pregnancy and up to one year after your delivery date. You will be contacted once per trimester, at the estimated date of delivery, and when your baby is 3, 6, 9, and 12 months of age to provide basic information about your pregnancy and your infant's health. At each timepoint you will be asked to confirm your contact information.

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