**Core Concept**
The **intrauterine contraceptive device (IUCD)** is used for contraception and management of **menorrhagia**. Menorrhagia is characterized by heavy menstrual bleeding, and the appropriate IUCD can help reduce blood loss.

**Why the Correct Answer is Right**
The correct answer is likely related to a specific type of IUCD that releases **levonorgestrel**, a synthetic progestin. This type of IUCD, known as the **levonorgestrel-releasing intrauterine system (LNG-IUS)**, has been shown to decrease menstrual blood loss by thinning the **endometrial lining**.

**Why Each Wrong Option is Incorrect**
**Option A:** May not be the best choice as it does not specify the type of IUCD.
**Option B:** and **Option C:** are not mentioned, but typically, options that do not involve hormone release are less effective for menorrhagia.
**Option D:** is also not specified, but if it's a non-hormonal IUCD, it might not be the best choice for reducing menstrual bleeding.

**Clinical Pearl / High-Yield Fact**
The **LNG-IUS** is a highly effective treatment for menorrhagia, with studies showing a significant reduction in menstrual blood loss.

**Correct Answer:** D. Levonorgestrel Intrauterine System.