Friday 22 November 2013

Intrauterine contraceptive devices (IUCDs)- history and categories

Intrauterine device is a small, flexible plastic frame which is effective, safe, convenient method of temporary sterilization.
It is inserted into the uterus through the vagina.
IUDs also called IUCDs in general are called the loops (after Lippes loop which is no longer used).
 Their usage started in ancient times where Arabs and Turks used to insert pebbles into the uteri of camels in caravan.
In 11th century Islamic scientists first reported intra uterine pessaries for humans.
Richard Richter (1909), German physician introduced first ring shaped IUD made of silk worm gut. Ota in 1934 in Japan, made a ring with small disc in the centre with 3 spokes.
Jack Lippe, from Buffalo, NewYork in 1962, designed the first ever plastic IUD, which was used widely further added barium sulphate to make it radio-opaque so that it can be detected in X-rays.

The criteria of choice:
Every Couple needs to consider what issues are important to them in making a wise contraceptive choice.
Six steps in counseling are:
-Greet the person
-Ask them about themselves
- Tell them about choices
- Help them to make an informed choice
- Explain fully how to use the chosen method
- Return visits should be welcomed.



Categories of IUD's(intra-uterine contraceptive devices):

A. Inert intra-uterine contraceptive devices
Eg: Lippes loop, Saft coil, Chinese single coil ring, Mahua ring, Ota ring etc.

B. Copper releasing intra-uterine contraceptive devices
Eg: Cu 7, Cu T200, Multiload copper 250, MLCu 375, Cu T 380A, Cu T380S, Nova T and Cu T220C.

C.Harmone releasing intra-uterine contraceptive devices
Eg: Progesterone IUD(Progestasert) and Levonorgestrel IUD (Mirena, LNG 20)

D.Newer intra-uterine contraceptive devices.

No comments:

Post a Comment