For a certain time after they are born, male and female
children resemble one another. But after years, differences
begin to emerge in the bodies of each. A beard appears
in males, their voices deepen, their shoulders widen,
and they come to have the typical features of the male
body. Girls begin to take on the typical female form.
Two bodies that resembled each other closely, except
for the sex organs, take on quite a different appearance
after the secretion of the sex hormones in adolescence.
What brings about the change in male and female bodies
are the sex hormones that God has created in a highly
The main sex hormone in the male is testosterone; in
the female, they are estrogen and progesterone. When
we look at the mechanisms by which these hormones are
secreted, we meet a few other wonders of creation.
Sex hormones are secreted in the male testes and in
the female ovaries. But the system that ensures this
secretion is located very distantly from these organs,
in the pituitary gland and the hypothalamus area.
Many years from the time of birth pass before the sex
hormones go into action. But when the right time comes,
when the child has reached the age of adolescence, the
hypothalamus sends a command (the GnRH hormone) to the
pituitary gland. The fact that the hypothalamus does
not make a mistake in timing (unless damaged) is remarkable.
How can a small piece of flesh take account of days,
months and years without a calendar (or more precisely,
without the conscious intelligence required to understand
a calendar) and do everything with perfect timing? This
fact is a proof that the hypothalamus has been designed
by God in a way to properly affect this timing.
After receiving the command, the pituitary gland secretes
two hormones, LH and FSH. The target areas of these
hormones are the female ovaries and the male testes.
These hormones give a command to these organs to "go
into action" after years of being inactive.
The testes and the ovaries then begin to produce the
sex cells proper to males and females and to secrete
the sex hormones. The LH and FSH hormones in men and
women have the same molecular structure, yet each is
responsible for different processes in the male and
In the section entitled "Hormones That Are Able to
Regulate Time and Produce the Differences between the
Sexes" we examined the wonder that these hormones have
different effects and that they wait years to be secreted.
Now, let us examine how the male and female reproductive
systems develop and see what kind of system God has
created for each new human being that has come into
The Female Reproductive System
Sex hormones give shape to the male and female
bodies with the expertise of a sculptor.
The most important organ in the female reproductive
system is the ovary, each of which weighs between 10-20
grams. The ovaries make the egg cell that is half of
the newborn person. (The other half is the sperm cell
that comes from the male body.)
Another function of the ovaries is to produce sex hormones.
This is a very important function because these hormones
make a child's body a woman. This function resembles
a sculptor making a statue, but the hormones are not
outside the body as the statue is outside the sculptor's
body, rather, (in the case of the hormones) the statue
is formed inside the body.
The sex hormones produced in the female
body, for instance, cause the pelvis bones become wider
because during pregnancy, it will make the needed room
for the baby in the mother's womb.36
How do these cells that produce the female hormones
know that the woman may later get pregnant? If they
had this knowledge, how will they tell the cells which
form the pelvis bone how much they must multiply to
widen the proper amount? How do they know the right
size for the pelvis bone?
Moreover, in women, the accumulation
of fat in the hips and thighs is again physically the
result of the influence of estrogen. In a male child,
it is not fat that increases in the developmental stage,
but the striated muscle mass. In women, the increase
in the amount of fat is specially adjusted to store
the energy that will be needed for the time of pregnancy
and milk production. 37
The sex hormones cause the development
of a high voice in women and low voice in men.38
How do the hormone molecules know the difference between
a male and a female voice? How is it that they can decide
that a male voice has to be low and a female voice high?
And how do hormones, with the same formula, produce
a high voice in women and a low voice in men?
It is a demonstration of great wisdom
that female hormones are not secreted until a particular
age. Female hormones come into play when the female
body is mentally and physically mature; that is, when
the time comes when it can carry a baby, and it has
the intelligence and maturity to bring it up.39
This arrangement is certainly another proof that human
beings have been created according to a definite plan.
A Four Week Period of Life
Every four weeks in the body of a healthy woman, a
comprehensive preparation occurs. This preparation is
brought about by cells in the woman's body in order
to bring a new human being into the world.
Ovaries produced by female sex hormones.
As a mother considers her child's every need, its health
and development and makes long-term plans for it, the
cells that make up the mother's reproductive organs
show the same degree of care for the egg cells. In order
to ensure the fertilization of the egg cell, they carry
out long-term plans, and the most important factors
affecting this plan are hormones.
Just before this four-week period, the pituitary gland
secretes the LH hormone. After this hormone leaves the
skull, it sets out on its long journey via the blood
stream and reaches the ovaries. Now the time has come
for the ovaries to go into action.
Inside the ovaries are thousands of immature egg cells.
Under the influence of the LH hormone from the pituitary
gland, part of these egg cells begins to mature. Normally,
only one of these developing cells will fully mature
and be released from the ovary as an egg cell. (If two
cells are released and each one is fertilized, twins
will be born)
The egg cell in process of development with its surrounding
nutritive layers is called a "follicle." The FSH hormone
sent by the pituitary gland has a major effect on the
follicle, suddenly causing it to produce a special molecule.
This molecule is the estrogen hormone.
How is it that the follicle, which is itself not fully
developed, has begun to produce a hormone? What is the
purpose of this production? The answers to these questions
bring us to another proof of creation.
The estrogen produced by the follicle shows once again
the wonder of creation. Let us look briefly at its functions:
1. One of the targets of the estrogen
hormone is the "uterus." This is where the fertilized
egg will lodge, multiply and grow. The influence of
estrogen causes the uterus to prepare for pregnancy;
its wall increases 3-4 times in thickness and is surrounded
by capillary vessels. If fertilization occurs, these
vessels will supply the required nutrients.
This is a wonder because the still developing follicle
cannot consider the future of the cell inside it, yet
it takes the required measures needed for the future
nutritional needs of the egg. It also ensures that preparations
are made in the uterus where the egg will be protected.
After releasing the egg, how does the follicle know
that it will reach the uterus and lodge there? How does
it know that capillary vessels in the uterus will provide
nutrients for the egg cell? From whom did it learn the
formula for causing an increase in the number of capillary
2. Under the influence
of estrogen, the muscles in the uterus begin to develop
and their strength increases. This is a measure taken
to protect the place where the egg will lodge in case
3. The growth in
the women's breasts during the time of development is
closely connected to the influence of estrogen. Estrogen
increases the accumulation of fat in the breasts and,
at the same time, ensures the multiplication of milk
glands.41 All these preparations
ensure that the baby will be fed by the mother.
4. The construction of other parts
particular to a woman's body also happens as a result
of the influence of estrogen. Of interest is the fact
that estrogen causes growth in a woman's breasts but
never goes to produce growth in the shoulder area except
in extraordinary cases (which would give a woman a masculine
Estrogen also produces the high pitched woman's voice
instead of a male voice. It knows what kind of voice
needs to be produced and it knows how to make a woman's
voice. The sculptor that forms the special features
of the woman's body is "estrogen."
A sperm—the male reproductive cell.
5. At the same time, estrogen facilitates fertilization.
At the end of the second week, when it is the best time
to fertilize the egg, the amount of estrogen in the
blood rises significantly. This results in the secretion
of a special fluid from the uterus to the vagina. This
fluid captures the male reproductive cells, the sperm,
within itself and carries them upward. It increases
the activity of the sperm and carries them towards the
6. Unless special measures are taken,
the mother's womb is a highly septic environment. This
presents a serious threat to the health of the mother
and the unborn baby. Estrogen ensures that this threat
is eliminated. When estrogen molecules reach the epithelial
cells in the mother's womb, these cells begin to secrete
an acid. This acidic environment is a suitable environment
for the multiplication of beneficial bacteria (Döderlein's
bacillus) and, at the same time, it protects the
vagina from infections.42
The chemical molecule produced by a tiny follicle not
only gives shape to a human body from head to toe, but
also makes the required arrangements for a new human
to be born. However, estrogen is a lifeless material
that is formed from the arrangement of atoms. It is
produced by unconscious cells and it affects other unconscious
cells. But all of these operations happen in the context
of a wonderful and flawless plan, at the end of which
a boy or a girl is born. The intelligence that creates
this human being belongs to God.
O mankind! Heed your Lord Who created
you from a single self and created its mate from it
and then disseminated many men and women from the two
of them. Heed God in Whose name you make demands on
one another and also in respect of your families. God
watches over you continually. (Qur'an, 4: 1)
Intimate Universe, British Broadcasting Corporation
- The Learning Channel Co-Production Video, 1998
37 Rasyonel Tedavi Yonunden Tibbi Farmakoloji (Medical
Pharmacology According to Rational Treatment), p. 2751
38 Rasyonel Tedavi Yonunden Tibbi Farmakoloji (Medical
Pharmacology According to Rational Treatment), p. 2723
39 Ic Hastaliklari (Internal Diseases), p. 369
40 Rasyonel Tedavi Yonunden Tibbi Farmakoloji (Medical
Pharmacology According to Rational Treatment), p. 2750
41 Rasyonel Tedavi Yonunden Tibbi Farmakoloji (Medical
Pharmacology According to Rational Treatment), p. 2750
42 Rasyonel Tedavi Yonunden Tibbi Farmakoloji (Medical
Pharmacology According to Rational Treatment), p. 2750