Intrauterine device/contraceptive
The 2 types are a hormonal IUD or copper IUD.
It is a T-shaped device that is inserted through the cervix and placed in the uterus. It releases a chemical substance that damages sperm in transit to the uterine tubes and prevents fertilization.
Contraindications: active pelvic disease, abnormal uterine bleeding, severe uterine distortion, and for the copper IUD patients with Wilson’s disease and copper allergies.
Answer:
Option-B
Explanation:
In the given question, the condition of the person is mentioned which says that he felt breathless while walking and later while lying down.
The most probable reason for the condition in the give question is that this condition is the result of the failure of the left side of the heart as the left side of the heart that is right atrium receives the oxygenated blood from the lungs and then left ventricle pump the blood to the body.
Since the person is not able to breathe therefore the volume of the lungs is occupied by something in the given case is blood due to the failure of the left heart.
Thus, Option-B is the correct answer.