Final answer:
While nausea and vomiting typically subside by week 12, individual variations may cause some women to experience these symptoms into the second trimester. Frequent urination is common throughout pregnancy. It's important to consult a doctor if these or other symptoms are severe.
Step-by-step explanation:
Experiencing nausea and vomiting in the second trimester is not typical since these symptoms generally subside by about week 12 of the pregnancy. However, mild cases can persist in some women, depending on individual differences and pregnancy dynamics. Frequent urination, on the other hand, is a common symptom throughout pregnancy due to the pressure of the growing fetus on the bladder. As the pregnancy progresses, increased urination may persist or become more pronounced. If nausea, vomiting, or any other symptoms are severe, persistent, or accompanied by other concerns such as pain or bleeding, it is important to consult a doctor to ensure there are no underlying complications.