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خرید پکیج
تعداد آیتم قابل مشاهده باقیمانده : -1 مورد

Embryo in gestational sac

Embryo in gestational sac
This is an ultrasound image of an early gestational sac containing an embryo at about 7.5 weeks of pregnancy. The embryo is measured to get a number doctors call the "crown-rump length."
Courtesy of Thomas Shipp, MD.
Graphic 141713 Version 1.0