Q: In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.
Question: In the treatment with progestogens, a significant number of adverse effects occur. Of those listed below, the most serious is:
Options: <0> Liver failure. <1> Thromboembolic disease. <2> Respiratory insufficiency. <3> Depression. <4> Heart failure.
A:
nursery