1.   There is no liability for breach of confidence if consent is obtained.

2.   A minor seeking an abortion was required to obtain parental consent.

3.   Informed parental consent was obtained before the study.

4.   The procedure was reviewed and accepted by the Hospital Medical Ethics and Radiation Safety Committees and informed signed consent was obtained from each patient.

5.   Informed written consent was obtained and the experimental techniques were approved by the Salford Health Authority Ethics Committee.

6.   Informed written consent was obtained before the study.

7.   The study was approved by the local Ethics Committee and informed written consent was obtained from all subjects.