A woman's last menstrual period started on 10 March 2025. What is her gestational age in completed weeks on 28 July 2025?
Answer and explanation
Correct answer: D. 20 weeks
- Step 1: Count the days from the first day of the last period: 140 days.
- Step 2: 140 / 7 = 20 completed weeks.
Answer
20 weeks.
Practise more Obstetrics, Gynecology and Reproductive Health.
Free questions with an explanation for every one, and full timed Lebanese Medical Colloquium (Colloquium Liban) mock tests.
More Obstetrics, Gynecology and Reproductive Health questions
- A 28-year-old primigravida at 34 weeks gestation presents with headache, visual blurring, BP 165/110 mmHg, and 3+ proteinuria on dipstick. Pā¦
- A 32-year-old multipara at 32 weeks gestation presents with sudden, painless, bright red vaginal bleeding. The uterus is soft, relaxed, andā¦
- A 26-year-old female at 35 weeks gestation presents with sudden continuous severe abdominal pain, dark vaginal bleeding, and painful uterineā¦
- Immediately following an uncomplicated vaginal delivery of a 4.1 kg infant, a mother develops massive continuous vaginal bleeding. The uteriā¦
- A 24-year-old female presents with 6 weeks of amenorrhea, right lower quadrant pelvic pain, and vaginal spotting. Serum beta-hCG is 2,800 mIā¦
- A 55-year-old postmenopausal female presents with painless light vaginal bleeding for 2 weeks. She has been in menopause for 4 years and takā¦