With only the clinical examination, how many weeks pregnant did you tell this patient she is?
A 19-year-old childcare worker comes to you for her first prenatal visit. She cannot remember when her last period was but thinks it was between 2 and 5 months ago. When she began gaining weight and feeling “something” moving down there, she did a home pregnancy test and it was positive. She states she felt the movement about a week ago. She has had no nausea, vomiting, fatigue, or fevers. Her past medical history is remarkable only for irregular periods. She has been dating the same young man for a year. She says they were not using condoms. On examination you see an overweight young lady appearing her stated age. Her head, eyes, ears, nose, throat, neck, thyroid, cardiac, and pulmonary examinations are unremarkable. Her abdomen is nontender, with normal bowel sounds, and the gravid uterus is palpated to the level of the umbilicus. Fetal tones are easily found with Doptone, and with the fetoscope a faint heart rate of 140 is heard. By speculum examination the cervix is bluish and by bimanual examination the cervix is soft. Results of Pap smear, cultures, and blood work are pending. You give the patient her due date and how far along she is, based on your clinical findings. An OB ultrasound to confirm her dates is ordered.
A) 6 to 8 weeks
B) 12 to 14 weeks
C) 18 to 20 weeks
D) 24 to 26 weeks
C) 18 to 20 weeks
Fetal tones can be easily found with Doptone and faintly auscultated with the fetoscope. The uterus is usually at the level of the umbilicus at 20 weeks. First-time mothers usually don't feel fetal movement until 19 to 20 weeks.
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