...Yes
A pregnancy test can remain positive for 2 weeks after a miscarriage. Sometimes longer.
3 weeks later
2 weeks after sex at the earliest
If you are four weeks pregnant you will have enough hCH to have a positive pregnancy test.
A home pregnancy test will show up most probably negative in this case.
Yes. It can take several weeks for the hCG to clear from the body. It depends what stage of pregnancy you were at.
2 weeks after sex the earliest.
Fourteen days after intercourse or the day of your expected period.
No your hcg levels should have gone back down
The body needs a few weeks to catch up so the pregnancy test will show positive for awhile after the miscarriage or abortion.
The test will show positive until the pregnancy hormones have gone back to normal it can take a few weeks. You have to see a doctor if you suspect miscarriage. There can be remains that have to be removed.