Pregnancy can occur when ejaculate-containing sperm comes into contact with the vagina. There is still a chance of pregnancy with pre-cum because it may contain sperm. If you find yourself being late on your period it might be one of the symptoms that could indicate pregnancy. In addition to this, you might be stressed out which can also push back your period. Take a pregnancy test just to be safe. 

Vaginal itching is a symptom that can be due to a number of causes, such as yeast infections, bacterial vaginosis and STIs. It is necessary to go to a gynecologist for a correct diagnosis and treatment. 
 

It is completely natural to be concerned about a late period, even after having your tubes tied. Here’s the thing though – not having a period can occur for many reasons besides being pregnant. Stress hormones changing up or certain drugs could all cause your menstrual cycle to go off kilter. Taking a test can help ease any worries so if this is something that is worrying you then go ahead and do it. 

Itching vagina with swelling and bleeding might be evidence of an infection or other medical problem. It is essential to go see a gynecologist for an accurate diagnosis and treatment. Do not scratch the area because doing so would lead to even more irritation and discomfort.

High levels are normal in pregnancy, but if they are too high, check with gynaecologist for infections or inflammation

Yes engagement in unprotected sex may lead to pregnancy. Although the male partner might not have ejaculated, pre-ejaculate fluid also contains sperm that may cause pregnancy. The only way to prove the pregnancy is by going for a test or seeking medical attention from gynecologist. In case of any symptoms related to pregnancy such as missing a period, it is advisable visiting gynecologist