Final answer:
Worsening preeclampsia can be indicated by symptoms such as dark urine, abdominal pain, and cardiovascular abnormalities. Other symptoms include breathlessness, pallor of the skin, and ankle edema in severe cases.
Step-by-step explanation:
Worsening preeclampsia, a serious condition that affects pregnant women, can be indicated by several symptoms. These symptoms include darkening of urine upon standing, abdominal pain, vomiting, constipation, and cardiovascular abnormalities. Additionally, for women of childbearing age, clinical symptoms of worsening preeclampsia may include breathlessness on exertion, giddiness, pallor of the skin, and edema of the ankles in severe cases.