Dr Tezcan completed her specialist training in London. She has been working in the NHS as a senior obstetrician and gynaecologist since 2005. She has over 15 years experience in the specialty.

Berrin completed her Fetal Medicine training at King's College Hospital and she holds Diploma in Fetal Medicine awarded by Prof Kypros Nicolaides.

She then completed an MSc degree in Prenatal Genetics and Fetal Medicine at UCL (University College London) with distinction.

Dr Tezcan worked as a consultant obstetrician and gynaecologist at Chelsea and Westminster Hospital and London's major teaching hospitals. She has well established private practice both in central London and SE London. Berrin has been actively involved in the training and teaching of obstetricians and gynaecologists at all levels.

Berrin is married with two sons, 20 and 17 years old. Her sons study at Stanford University in California and at Dulwich College, London. 

Berrin enjoys spending time with her family, running, swimming and playing tennis. She has successfully completed Hever Castle Triathlon, Vitality London 10k ran for Children with Cancer UK and also completed Cancer Research UK, Race for Life 2017