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Reproductive system of human body it discribe the reproductive organs in human body it', Study notes of Biological Systems

In this topic contain human reproduction system includes male and female external and internal reproductive organs and it function an it process It includes Introduction Malae reproduction system It function and it process Female reproductive system Function and it process Brest it function Zygote formation

Typology: Study notes

2022/2023

Uploaded on 04/25/2023

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REPRODUCTIVE HEALTH – Part 2
CONTRACEPTIVES
Contraceptives are devices used to prevent unwanted pregnancies.
Characteristics of contraceptives
They should be user friendly
easily available
effective and with no or least side effects.
It does not interfere with the sexual drive , desire and sexual act of the user
Contraceptives can be classified into the following groups
1. Natural /traditional methods
2. Barrier methods
3. IUDs(Intra Uterine Devices)
4. Oral Contraceptives
5. Injectables
6. Implants
7. Surgical Methods
NATURAL METHODS
These methods prevent the chances of ovum and sperm meeting. This
include:-
1. Periodic abstinence
It is a method in which the couples abstain or avoid from coitus from day 10
to 17 of the menstrual cycle. This period is called the fertile period .
2. Withdrawal or Coitus Interruptus
In this method, the male partner withdraws his penis just before
ejaculation.
3. Lactational amenorrhea
It is also called absence of menstruation. Menstrual cycle does not occur
during intense lactation following delivery. Therefore as long as the mother breast
–feed the child fully, the chances of conception are almost nil .however this
method is effective only up to six months following delivery.
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REPRODUCTIVE HEALTH – Part 2

CONTRACEPTIVES

Contraceptives are devices used to prevent unwanted pregnancies. Characteristics of contraceptives  They should be user friendly  easily available  effective and with no or least side effects.  It does not interfere with the sexual drive , desire and sexual act of the user Contraceptives can be classified into the following groups

  1. Natural /traditional methods
  2. Barrier methods
  3. IUDs(Intra Uterine Devices)
  4. Oral Contraceptives
  5. Injectables
  6. Implants
  7. Surgical Methods NATURAL METHODS These methods prevent the chances of ovum and sperm meeting. This include:-
  8. Periodic abstinence It is a method in which the couples abstain or avoid from coitus from day 10 to 17 of the menstrual cycle. This period is called the fertile period.
  9. Withdrawal or Coitus Interruptus In this method, the male partner withdraws his penis just before ejaculation.
  10. Lactational amenorrhea It is also called absence of menstruation. Menstrual cycle does not occur during intense lactation following delivery. Therefore as long as the mother breast –feed the child fully, the chances of conception are almost nil .however this method is effective only up to six months following delivery.

BARRIER METHODS

Following are the barrier methods for the men and woman to block the meeting of sperm and ovum

1. Condoms These are made of thin rubber or latex. They are used to cover the penis in male or vagina and cervix in the female just before coitus to prevent the entry of semen into the female genital tract. 2. Diaphragms, cervical caps and vaults These are made of rubber that is inserted into the female reproductive tract to cover the cervix during coitus. They block the entry of sperms into the genital tract through the cervix.

3. Intra Uterine Devices (IUDs)

These devices are inserted in the uterus through vagina with the help of doctors or expert nurses. They are classified into  Non-medicated IUDs (eg : Lippes loop)

 Copper releasing IUDs (CuT, Cu7, Multiload 375)

 Hormone releasing IUDs Progestasert, LNG-20)

Mode of action of IUDs

 IUDs increase phagocytosis of sperms within the uterus and the Cu ions

released suppress sperm motility and the fertilising capacity of sperms.

 The hormone releasing IUDs make the uterus unsuitable for implantation

and the cervix hostile to the sperms.

4. Pills  These are available in the form of tablets containing either progestogens or progesterone –estrogen combinations.  These are taken daily for a period of 21 days starting within the first five days of menstrual cycle .after a gap of 7 days repeat the same pattern till the female desires to prevent pregnancy.