Okay, found it. This is from a book by
Niels H. Lauersen, m.d, ph.d and in his
chapter on
sex and your baby's sex, it
says (kind of long so bear with me):
"In addition to affecting fertilization,
some research suggests that how you make
love can also influence the sex of the
child you create. This is said to be due
to differences in the genes carried by
sperm. Sperm is divided into two types,
those that carry the genes for a female
child and those that carry genes for a
male child.
MALE SPERM ARE SAID TO BE
*fast moving
*good swimmers
*small
*easily affected by acidic vaginal
secretions
*short lived
FEMALE SPERM ARE SAID TO BE
*slow moving
*large and hardy
*able to withstand acidic environments
*able to survive longer in the female
body
According to the sex selction theory,
certain sexual positions, along with the
depth of penetration and when in relation
to ovulation you make love, can be used to
encourage fertilization with either male
or female sperm. While there is no
guarantee that sex selection will work,
many of my patients have used the
following techniques to plan their
families with incredible (80% +)
accuracy.
If you
want a baby girl:
*shallow pentration in the missionary
position will allow your partner to
deposit sperm at the mouth of your cervix.
This is said to favor the slower-moving
female sperm.
*avoid orgasm. this will help keep your
vaginal environment highly acidic which
kill of male sperm before they reach your
fallopian tube. to increase the acidity
of your vagina even more use a vinegar and
water douche directly preceding
intercourse... (that's just some of it, I
got sick of typing
)
If you
want a baby boy
Use deep penetration, and the rear-entry
position, which will allow your partner to
deposit sperm above the neck of your
cervix, for fast entry into your uterus.
Here the environment is more alkaline
making it easier for male sperm to
survive.
*try to achieve orgasm at the same time
that your partner is ejaculating. This
will also help create a more alkaline
vaginal environment.
*your partner should avoid masturbation
for four to five days, and you should both
avoid intercourse until your day of
ovulation. this will help ensure the
highest possible sperm count and,
toghether with the other factors, give the
advantage to the fast-swimming male
sperm.
I left some things out but you get the
main idea and a few pointers with this.
