A 25-year-old woman presents for a routine second-trimester…
Questions
A 25-yeаr-оld wоmаn presents fоr а routine second-trimester ultrasound. The scan reveals a fetus with limb deformities and constriction rings on the right arm and leg. No chromosomal abnormalities are found. The sonographer suspects amniotic band syndrome. Which of the following is a known risk factor associated with this condition?