This book lays out a fascinating analysis of the causal relationship between fatness and fertility, and it is undoubtedly a testament to the enduring power of the author's work that so many of the ideas in this book seem quite intuitive to me--I've grown up with these ideas generally accepted. The empirical analysis in the book is first-rate, and I found the population studies illuminating.
My complaint, though, is the the incessant name-dropping and asides about where she was when data was found or a conclusion reached are almost unendurably tedious. I appreciate that she has a great deal of respect for her collaborators, and I certainly appreciate how difficult it must have been for a woman to propose a totally new hypothesis to the male-dominated medical community of the early 1970s, but that really belongs in her autobiography, not in a piece of analysis. The inclusion of these personal asides detracts from the otherwise dispassionate, analytical tone and distracts from her very interesting and really revolutionary ideas.
I am, perhaps, too fussy as this is really my only complaint about the book. It is otherwise an elegant synopsis of 30 years of research and a helpful resource for those trying to conceive or generally interested in conception. But enough with the names and CVs.