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Fertility is a natural process to insure the survival of human species.
Through natural selection, we produce many offspring when the
reproductive system works at it's peak in the suitable environment with
plenty of food around. On the other hand, the reproductive system may
completely shut down or work at it's minimum state in reproduction of
offspring, when the environment is hostile including less foods around,
war, epidemic, but regardless of all these factors, most women are
capable of conceiving during their menstrual stages before menopause.
I. Definition
Non surgical
infertility problem is considered as a problem which can not be treated
by medication and surgery such as impotence and sexual dysfunction in
men and hyperproclatinemia. The fertility of a couple is assisted by
some types of assisting reproductive technologies.
II. Types of artificial inseminations
1. Intra cervical insemination
Artificial
insemination (AI) or intra cervical insemination is the process by
which sperm is placed into the reproductive tract of a female for the
purpose of impregnating the female by using means other than sexual
intercourse.
2. Intrauterine insemination
Intrauterine
insemination is defined as the selection of good quality sperm from a
infertile male sperm semen by injecting the good quality sperm fluid
into the uterus of his female partner, thereby increasing the chance of
sperm to reach the Fallopian tubes where fertilization of the egg
occurs.
3. Gamete intrafallopian tube transfer (DIFT)
Gamete
intrafallopian transfer (GIFT) is a technique which places one egg in
the Fallopian after removing from the ovaries along with the sperm semen
of her male partner.
4. Zygote intrafallopian tube transfer (ZIFT)
It
is a procedure which is often used to treat infertility, if diagnosis
found that there is blockage in the female partner Fallopian tubes that
prevents the sperm to fertilize the mature egg. Under zygote
intrafallopian tube transfer (ZIFT), after egg cells are removed from a
woman's ovaries, it is put in vitro fertilized and finally the zygote is
placed into the fallopian tube by laparoscopy.
5. Tubal embryo transfer (TET)
By
transferring the more advance embryos (cleaved embryos) into the female
partner Fallopian tubes, it increases the chance of fertility after
achieving fertilization in the laboratory. It is only suitable for women
who have at least one healthy Fallopian tube.
6. Intrasytoplastic sperm injection (ICSI)
By
injecting only one quality sperm into the egg for fertilization.
Intracytoplasmic sperm injection is commonly used only for male whose
sperm are diagnosis with egg penetrating problem as a method of in
vitro fertilization.
7. Testicle sperm extraction (TEST)
Testicular
Sperm Aspiration (TESA) is most commonly used for male who for what
ever reasons, has problem in ejaculating, or whose sperm contain little
or no living or motile sperm, but with good sperm in the testicles. By
collecting the sperm semen directly from the testicles, the
fertilization process can occur in vitro fertilization (IVF) by using
the intrasytoplastic sperm injection method.
8. Assisted Hatching
By
collecting egg from ovaries from the infertile woman and after the egg
is fertilized in vitro fertilization (IVF), the assisted hatching helps
the embryo hatch out of its protective layering and artificially
implants into the uterus.
9. Cryopreservation
For what ever
reason some couple decide to have children in the future, they may want
to use the cryoptresevation to freeze the eggs or sperm in the sub-zero
temperatures, such as between 77 K or −196 °C. Most comom
cryppreservation includes
a) Freezing sperm
b) Freezing embryo
c) Freezing eggs
d) Freezing ovaries
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