47 workbook 6

Question 1

using transvaginal sonography multiple gestatoins can readily be diagnosed at very early stages between_________weeks

Answer 1

5.5-6.5

Question 2

sonographically dichorionic and diamnionic twins appear as _______separate gestatoinal sacs with individual trophoblastic tissue which allows the appearance of a thick dividing membrane

Answer 2

two

Question 3

monochorionic-diamnionic twins appear to be contained with _________chorionic sac______amnions_______yolk sacs and _________embryos are identified

Answer 3

a single

2

2

2

Question 4

the monozygotic monoamniotic-monochorionic twin gestatoin shows ______gestational sac with ________amniotic membrane which may contain oe or two yolk sacs and two embryos within the single amniotic membrane

Answer 4

1

1