Table 8.

Mean birth weight, Ponderal index, classification in Lubchenco’s, Alisyahbana’s and present study by gestational age

GA (w)	Lubchenco				Alisyahbana				Present study
	No of cases	BW (g)	PI	C	No of cases	BW (g)	PI	C	No of cases	BW (g)	PI	C
26	68	1001	2.2	L					103	727	1.9	L
27	72	1065	2.2	L					80	855	2.1	L
28	118	1236	2.2	L					109	956	2.1	L
29	143	1300	2.3	L					94	1042	2.0	L
30	109	1484	2.3	L					119	1207	2.0	L
31	147	1590	2.4	L					163	1393	1.9	L
32	124	1732	2.4	L					394	1708	2.2	L
33	118	1957	2.4	L					469	1724	2.3	L
34	145	2278	2.5	A	43	2553	2.5	A	865	1892	2.3	L
35	188	2483	2.5	A	70	2704	2.6	A	1056	2040	2.4	L
36	202	2753	2.5	A	136	2849	2.4	L	1680	2359	2.5	A
37	372	2800	2.6	A	262	2819	2.5	A	2960	2618	2.5	A
38	636	3025	2.6	A	565	2903	2.5	A	7117	2833	2.6	A
39	1010	3130	2.6	A	1309	3066	2.6	A	12980	3035	2.7	A
40	1164	3226	2.6	A	1710	3146	2.5	A	16362	3145	2.7	A
41	632	3307	2.6	A	962	3205	2.6	A	7066	3312	2.8	A
42	336	3308	2.6	A	446	3228	2.6	A	2982	3253	2.7	A
Total	5584				5503				54599

C Classification; L Low; A Average; H High; GA Gestational Age; PI Ponderal Index; BW Birth Weight; g gram; w week