Estimation of Gestational age in AGA
|
Head circumferance
|
Gestational age
|
|
26 cm
|
28wks
|
|
27.5cm
|
30wks
|
|
29 cm
|
32wks
|
|
30.5cm
|
34wks
|
|
32 cm
|
36wks
|
|
33.5cm
|
38wks
|
|
35 cm
|
40wks
|
Solar month & Lunar weeks
|
Solar month
|
Lunar weeks
|
|
6 months
|
28wks
|
|
6.5 months
|
30wks
|
|
7 months
|
32wks
|
|
7.5 months
|
34wks
|
|
8 months
|
36wks
|
|
8..5 months
|
38wks
|
|
9 months
|
40wks
|
You can use this formula
Changing solar mo.to lunar wks = solar mo.x 4 + 4= ------wks
Changing lunar wks to solar mo. = (lunar wks-4) ÷4 = ---------mo
Dr Kamel Hassan
Best Regards
