assessment of gestational age

Assessment of Gestational Age

Done by using "New Ballards Scale".

Used with neonates born between 20-44 weeks of gestation.

New Ballard Scale Calculated through;

1. Physical criteria

2. Neurological criteria

1. Physical criteria includes;

1. Skin texture

2. Lanugo

3. Breast nodule

4. Eye/ear

5. Genitals 

Male;

Female;

Total Physical Maturity score;

2. Neuromuscular criteria

1. Posture (supine position,)

2. Square window (wrist)

3. Arm recoil

4. Popliteal angle

5. Scarf sign

6. Heal to ear

Total Neuromuscular maturity score;

Maturity Rating

Score       Weeks

-10           20

-5             22

0             24

10           28

15           30

20           32

25           34

30         36

35           38

40           40

45          42

50          44