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Biology CBSE Live product
Class 10 (2025-26)
How do organisms reproduce
Annual Revision III - How do organisms reproduce
5.
Contraceptive methods
Question:
3
m.
Why are intrauterine devices recommended for long-term pregnancy prevention? Explain their mode of action.
Intrauterine devices are
Enhances fetal growth directl
long-acting contraceptive devices placed inside the uterus
Produces digestive enzymes
that prevent pregnancy by
implantation of a ovem inside the uterus
altering the uterine environment and sperm activity
Causes embryo formation in uterus
.
They
Promotes fusion of gametes
require medical assistance for insertion and removal
to ensure safety and effectiveness.
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