Footnotes

• Handling editor Josef S Smolen

• Contributors HB and ANB performed the clinical follow-up of the patient and her child. All authors were involved in the decision-making and the management during pregnancy and after delivery and have read and approved the manuscript.

• Funding This research received no specific grant from any funding agency in the public, commercial or not-for-profit sectors.

• Competing interests None declared.

• Patient consent Obtained.

• Provenance and peer review Not commissioned; externally peer reviewed.