Template:Hamilton1943 table1

From Embryology
Table 1
Ovum Corona Cells Polar bodies Day of cycle ovum recovered Length of Presumed number of days between ovulation and onset of next cycle Remarks
Allen and others
1 Nil 2 (10μ) 15th Not stated Ovum lost
2 Present 1 15th Not stated Twins—one from each ovary
3 Partly dispersed 1 15th Not stated each ovary
4 Partly dispersed 1 16th Not stated
5 3 layers 14th Not stated
Lewis Nil - 22nd Formerly 28 days, last 35 14-15 Ovum possibly 1 day old
Pincus and Saunders
1 Nil - 19th 28 days 12 Ovum possibly 2 days old
2 Nil 1 20th 26-30 days 9-13 Ovum possibly 2 days old
Present paper
1 Present 1 17th Formerly 28, last 30 14 Not more than 12 hours old
2 Nil ?Polar debris 16th 28 days 14-15 Ovum lost; possibly 1-2 days old