This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Gynaecology & Obstetrics
[{'content': 'An expectant mother feels quickening at : \nSelect and explain. \nA. 12-14 weeks, B. 16-20 weeks, C. 26 weeks, D. 24-28 weeks', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In second trimester the pregnant women feels much better ,the nausea vomiting and bladder frequency is almost gone She slowly stas feeling growing uterus per abdomen Of interest and excitement to her is the very first perception of foetal movement called quickening felt at around 18 weeks in a primigravida and 16 -18 wks in a multigravida (refer pgno:90 Sheila 2 nd edition)', 'role': 'assistant'}]