LOOP ::
Now -a-days the polyethylene loop bow and ring are in use of these the elastic polyethelence (with barium )s shaped loop with a stringpull is quite commom This can be easily inserted in the uterine cavity by means of a plunger it then instantaneously takes its position in the uterus by an elastic recoil its insertion is easy and it can remain there in position even during menstruation (MC) without any harm
Merits ::
Loop is more popular because of many reasons : (1) It is 99% reliable (2) It is simple safe self introductory it does not interfering with sex life and self removable at will it is said that wearing a loop in the uterus is as easy as putting the ear -rings in the ears (4) Loop can be permanently kept without any harm it can be withdrawn when required by the lady herself it trained (5) It does not interfere with menstrual cycle (6) It is noncorrosive and nonirritant and can be X- rayed to find its position
Demerits ::
1. The loop may cause pain during and after insertion and may cause cramps and increased menstrual flow
2.The IUD can be expelled out by the body without the woman knowledge leaving her prone to impregnate
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