Necessary information, whether the object is to achieve or avoid conception.
- ISBN10 0852071752
- ISBN13 9780852071755
- Publish Date 13 June 1986
- Publish Status Out of Print
- Out of Print 27 July 2008
- Publish Country GB
- Publisher Ebury Publishing
- Imprint C W Daniel Co Ltd
- Edition Revised edition
- Format Paperback
- Pages 136
- Language English