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may contain higher doses of the same hormones found in regular combined oral contraceptive pills
They are for use for up to 107 to 120 hours after unprotected sexual intercourse or contraceptive failure.
There effectiveness is nearly 75 to 80%. Usually you will get your period on the expected day, even though there might be variation 4 to 5 days.
Common side effects are nausea, vomiting, abdominal pain
, fatigue, headache, dizziness
. I think you might be experiencing the side effects on these drugs.
test kit is nearly 97 to 98% accurate. it should be done at least week after missed period.
I advice you to wait for another 2 days and repeat the test. If it comes to negative chances of pregnancy is very slim.
After the test whatever may be the result it will be good you see OBG specialist for examination.
Hope i have answered your queries.