Results 1-3 of 23
He found embryos (fertilized eggs) attached to the lining of the womb and later
discovered that, earlier in pregnancy, the ... By the 1870s it was accepted that this
combination of sex cells was required for fertilization and reproduction and that ...
But it still didn't tell us how nature determines the sex of the child that results from
the fertilization of an egg by sperm. Nor did it tell us which of the two parents was
responsible for this determination. It wasn't long, though, before an answer ...
tions at the time of ovulation at a greater speed with the same amount of energy,
thus making one of them more likely to effect fertilization. When tested in a
capillary tube filled with ovulation cervical mucus over a distance of one foot, the
What people are saying - Write a review
LibraryThing ReviewUser Review - ladytaluka - LibraryThing
I read this whole book from cover to cover. That being said, I thought a lot of it was a waste of my time. The author kept saying why his method was better than the other methods out there for sex ... Read full review
LibraryThing ReviewUser Review - lizvero - LibraryThing
very interesting, I use some of the tecniques explain and combine with others and work, Read full review
Why Should We Do It? Why Shouldnt
Who Does It? What Are the Results?
THE EMERGENCE OF A SCIENTIFIC
10 other sections not shown