You should get a good night sleep
It appears that the answer is dependent on the topic you are currently covering.
Consciousness would need to be maintained for one's sense of self.
Answer:
I would say Preeclampsia
Explanation:
Preeclampsia can become life theatning to a pregnant woman left if left untreated and could possible lead to and early c section or induction.
(I could be wrong but it's my best guess, I hope this helped :) )
The Three Ways Are
1. Keep your surroundings clean.
2. Wash before and after eating.
3. Visit doctors regularly.
Hope this helps.