If your menstrual cycle normally runs between 26 and 28 days, the best time for an accurate pregnancy test would be around May 7th to 10th. Symptoms such as getting tired easily, having tender breasts, feeling sick to your stomach, and needing to pee more often than before can start showing up after about four weeks or six weeks into a pregnancy which are caused by hormonal changes that take place in the body. 

Yes, a healthy lifestyle, diet, sleep, exercise, and less stress can contribute to preventing cancer. Improving immunity can also help. However, there are no guarantees.

In some cases, surgery may not be necessarily required and your doctor shall determine the severity of the case and recommend treatment. This is why, it requires professional medical intervention to avoid further complications.

Normally, the first ultrasound is done around the 6th to 9th week of the pregnancy. This is done to check the growth of the baby and to make sure that the heartbeat is normal and everything is fine. Moreover, it also provides the information concerning the expected date of delivery. Thus, if you experience any symptoms such as bleeding or pain, or if the doctor wants to check if the baby is healthy, they may recommend doing an ultrasound earlier.