Obviously this would be better asked of her doctor, but from personal experience if you waited for the drug to be active before starting unprotected sex, you are likely safe. The absense of a period is a common depo side effect. Some women will take it for that alone.
Having unprotected sex is very likely to get you pregnant.
In two healthy people, the chance of pregnancy after having regular unprotected sex for a month is high.
By not having unprotected sex.
Home pregnancy tests are considered reliable 14 to 16 days after having unprotected sex.
Having unprotected sex is a major cause of pregnancy. Get an OTC pregnancy test, visit your doctor, or wait a few weeks.
yes yes yes yes
Infertility
The year that you are having unprotected sex on a regular basis
Yes, you should take a pregnancy test.
After symptoms are immediate, however signs of pregnancy won't be noticeable until about 2 months after
Well that just depends upon the situation. If a couple is trying or planning for pregnancy it is expected. An unexpcected pregnancy would be the result of a couple having unprotected sex while trying to prevent pregnancy.
You could say that. Missing your period a few weeks after having unprotected sex is another way. Having a pregnancy testing coming back positive is probably one of the better ways, but having a doctor confirm it is the best. But yes, if your belly starts to grow and you've had unprotected sex recently, then there is a good chance you are pregnant.