Provides the key to sex determination. This work includes: research into sperm-count levels; an explanation of the relevant biological factors; practical advice on health, diet, sperm count and ovulation; the author's success story and the testimonies of numerous parents.

HEALTH & FITNESS / Pregnancy & Childbirth

'I had to write in my present state of euphoria and let you know that your timing theory worked for us ... My husband had said all along that he would like another boy, but his tears of joy when our little girl arrived made us realise that we had achieved what we always longed for'