Pregnancy symptoms normally do not appear until a few weeks after unprotected sex. Nevertheless, if you are experiencing some stress, you might want to take a pregnancy test around 3 weeks after the sex. 

It is also possible that you could be pregnant if this month have passed your period and currently observing spotting, bloating, and nausea. But these signs might point to other complications too. I suggest seeing a gynecologist or obstetrician to do your pregnancy test and identify what underlies those symptoms of yours. This is always advisable to consult a physician.

If you ask when is it too late to do a pre­gnancy test and get the right answers, he­re is the info. Most home pre­gnancy tests work best when you miss your pe­riod. Waiting too long may make results wrong. If you fee­l signs like a missed period, sick, sore­ breasts, and peeing a lot, it is be­st not to wait long to do the test for the right results.

Stress, weight fluctuations, and hormonal imbalance are some of the factors that can cause a delay in your period. As you had protected sex and your period is late only by 10 days, it is unlikely you are pregnant. 

You might be experiencing early signs of pregnancy. Sometimes, if your period is late along with symptoms like nausea and clear discharge, it could indicate pregnancy. To be sure, take a home pregnancy test. If it’s negative, the delay could be due to stress or hormonal changes.