10 May 2019 Cardiotocography is an examination that records: The foetus’s heart rate The foetus’s movements The mother's uterine contractions. It is designed to monitor the foetus’s wellbeing . It is usually performed from 26 or 28 weeks depending on the circumstances. It may also be conducted before or during labour . This article was written with the support of physicians and other clinical professionals from the Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.