Reply: Rapid changes in practice make analysis of historical databases irrelevant for contemporary counselling.
Queen's Hospital, Barking Havering and Redbridge University Hospitals NHS Trust, Essex, UK.
Sesh K
SK
Sunkara
Mother-Infant Depertment, Institute of Obstetrics and Gynaecology, University of Modena and Reggio Emilia, Modena, Italy.
Antonio
A
LaMarca
Center for Reproductive Medicine, Universitair Ziekenhuis Brussel, Vrije Universiteit Brussel, Brussels, Belgium.
Nikolaos P
NP
Polyzos
King's College London, London, UK.
Paul T
PT
Seed
Guy's and St Thomas' Hospitals NHS Foundation Trust, London, UK.
Yakoub
Y
Khalaf
D016208:Databases, Factual; D005307:Fertilization in Vitro; D006801:Humans