A B
с
E
F
Source CRGH Daily Embryo Grading
3.1 Which photo represents the ovum?
3.2 Which photo represents the blastocyst? 3
3.3 Which photo was taken on (after fertilisation took place)
a) Day 1 b) Day 2 c) Day 3 d) Day4 e) Day 5
(5)
3.4 The structure in Photo B is 0.2mm in actual life. Calculate the magnification of
the structure in Photo B.​