The function of copper ions in copper releasing IUDs is

Options

A. They suppress sperm motility and fertilizing capacity of sperms
B. They inhibit gametogenesis
C. They make uterus unsuitable for implantation
D. They inhibit ovulation

Explanation

**Step-by-Step Solution:**

1. **Understanding IUDs**: Intrauterine devices (IUDs) are contraceptive devices that are inserted into the uterus to prevent pregnancy.

2. **Types of IUDs**: There are different types of IUDs, including copper-releasing IUDs, hormonal IUDs, and inert IUDs. Each type has a different mechanism of action.

3. **Function of Copper Ions**: In copper-releasing IUDs, copper ions are released into the uterine environment.

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