Question

Which device is used to release progestasert, which has a direct local effect on the uterus lining?
A) Second generation IUDs
B) First generation IUDs
C) Third generation IUDs
D) Non - medicated IUDs

Answer 1

IUDs stand for Intrauterine Device and they are small devices which are placed in the uterus to prevent the sperm to fertilize the egg and they also prevent implantation of the fertilized egg in the uterus.

Complete answer:
The intrauterine device is a small T shaped device used to prevent pregnancy.It is one of the best birth control devices. This device is safe and effective. The device is placed in the uterus and lasts $3$ to $7$ years.

Option A: The second generation IUDs contained copper added in them and it included Nova-T and multiload 250. The difference between the devices was the amount of copper present in the device and the shape of the device. Therefore, this is the incorrect option.
Option B: The first generation IUDs were named as “Lippes loop” and they were flexible polyethylene plastic loops which were of trapezoidal shape. Therefore, this is the incorrect option.
Option C: The third generation IUDs based on releasing hormones. They release progestasert, which has a direct effect on the lining of the uterus. Its releasing rate is $65ugl$ day and effective for $1$ year.
There are five different brands of IUDs that are FDA approved for example: Copper IUDs, hormonal IUDs etc. Therefore, this is the correct option.
Option D: In general IUDs are non medicated or inert as these devices are made up of stainless steel or plastic only. Therefore, this is the incorrect option.

Thus, the correct answer is option (C) Third generation IUDs.

Note: The advantages of IUDs are as follows,
i) They have no hormonal side effects like breast tenderness, acne, headache, etc.
ii) It can protect against pregnancy for around 5 to 10 years.
iii) They are 99% effective in preventing pregnancy.