QuestionSBA
QuestionChoice
This IUD releases copper ions which affect sperm motility. This prevents the sperm from entering the uterus and fallopian tubes to fertilise the egg.
10003166
a
Spermicidal
QuestionChoice
Copper IUD tends to thicken cervical mucus which decreases the likelihood of fertilisation.
10003169
d
Thins cervical mucus
QuestionChoice
This is the mechanism of hormonal contraceptions like hormonal IUDs, combined pill and so on.
10003170
e
Suppresses ovulation
QuestionChoice
This is the mechanism of action of condoms, diaphragms and so on.
10003168
c
Physical barrier
QuestionChoice
This is the mechanism of action of a hormonal IUD.
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b
Thins the uterine wall
Concept
Chapter
2693
4121
Intra-uterine device
Topic
162
General practice
13180
A female has come into GP to get a copper intra-uterine device (IUD) inserted.

What is the mechanism of action of this coil in preventing pregnancy?
a