Dehydration: At 20 years of age, dehydration would be #1 cause. Nausea could be related to something you ate as well. If you're worried, see doctor and get your thyroid checked. If you're having regular menstrual cycles, then likely ovaries working fine.
Answered 2/24/2018
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5 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
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