8 19 20
APR. 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
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JULY 21 22 23 24 25 26 27 28 29 30 31
APR. 27 28 29 30 1 2 3 4 5 6 7 MAY
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AUG. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
MAY 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
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AUG. 21 22 23 24 25 26 27 28 29 30 31
MAY 28 29 30 31 1 2 3 4 5 6 7 JUNE
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SEPT. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
JUNE 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
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SEPT. 21 22 23 24 25 26 27 28 29 30
JUNE 28 29 30 1 2 3 4 5 6 7 JULY
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OCT. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
JULY 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
-----------------------------------------------------------------
OCT. 21 22 23 24 25 26 27 28 29 30 31
JULY 28 29 30 31 1 2 3 4 5 6 7 AUG.
-----------------------------------------------------------------
NOV. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
AUG. 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27
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NOV. 21 22 23 24 25 26 27 28 29 30
AUG. 28 29 30 31 1 2 3 4 5 6 SEPT.
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DEC. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
SEPT. 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
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DEC. 21 22 23 24 25 26 27 28 29 30 31
SEPT. 27 28 29 30 1 2 3 4 5 6 7 OCT.
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[68]
The foregoing table affords us a handy means of finding the probable date
of confinement at a glance.

Find the date of the last day of the last menstrual period in the upper
row; the date immediately below it is the probable date of confinement.

For example if the last menstrua