BMC Pregnancy and Childbirth

Table 2 Fetal and neonatal death rates per 1000 total/live births and per 1000 fetuses-at-risk (FAR) by maternal age, singleton births, United States, 2003–2005

From: Does advanced maternal age confer a survival advantage to infants born at early gestation?

Gestational age (weeks)	Fetal deaths		Neonatal deaths		Total births		Fetuses-at-risk (FAR)		Fetal death rate per 1000 total births		Fetal death rate per 1000 FAR		Neonatal death rate per 1000 live births		Neonatal death rate per 1000 FAR
Gestational age (weeks)	20-29 years	≥35 years	20-29 years	≥35 years	20-29 years	≥35 years	20-29 years	≥35 years	20-29 years	≥35 years	20-29 years	≥35 years	20-29 years	≥35 years	20-29 years	≥35 years
22	866	249	986	234	2112	566	5456260	1390435	410.0	439.9	0.16	0.18	791.3	738.2	0.18	0.17
23	852	298	1458	395	3367	985	5454148	1389869	253.0	302.5	0.16	0.21	579.7	575.0	0.27	0.28
24	713	186	1300	349	4809	1273	5450781	1388884	148.3	146.1	0.13	0.13	317.4	321.1	0.24	0.25
25	569	160	865	214	5167	1473	5445972	1387611	110.1	108.6	0.10	0.12	188.1	163.0	0.16	0.15
26	636	175	567	171	5856	1689	5440805	1386138	108.6	103.6	0.12	0.13	108.6	112.9	0.10	0.12
27	632	191	480	150	6294	1868	5434949	1384449	100.4	102.2	0.12	0.14	84.8	89.4	0.09	0.11
28	784	236	424	143	7785	2378	5428655	1382581	100.7	99.2	0.14	0.17	60.6	66.8	0.08	0.10
29	620	184	339	104	8396	2627	5420870	1380203	73.8	70.0	0.11	0.13	43.6	42.6	0.06	0.08
30	761	244	385	110	11375	3509	5412474	1377576	66.9	69.5	0.14	0.18	36.3	33.7	0.07	0.08
31	703	253	356	99	13643	4289	5401099	1374067	51.5	59.0	0.13	0.18	27.5	24.5	0.07	0.07
32	924	282	427	145	20676	6437	5387456	1369778	44.7	43.8	0.17	0.21	21.6	23.6	0.08	0.11
33	865	291	371	126	28589	8880	5366780	1363341	30.3	32.8	0.16	0.21	13.4	14.7	0.07	0.09
34	906	334	474	156	51984	15437	5338191	1354461	17.4	21.6	0.17	0.25	9.3	10.3	0.09	0.12
35	993	363	513	165	93283	26198	5286207	1339024	10.6	13.9	0.19	0.27	5.6	6.4	0.10	0.12
36	1132	431	697	243	206418	56479	5192924	1312826	5.5	7.6	0.22	0.33	3.4	4.3	0.13	0.19
37	1212	450	805	253	457804	121419	4986506	1256347	2.6	3.7	0.24	0.36	1.8	2.1	0.16	0.20
38	1310	476	1067	307	1075784	300718	4528702	1134928	1.2	1.6	0.29	0.42	1.0	1.0	0.24	0.27
39	1040	348	1031	263	1571669	418969	3452918	834210	0.7	0.8	0.30	0.42	0.7	0.6	0.30	0.32
40	812	318	852	188	1422949	318727	1881249	415241	0.6	1.0	0.43	0.77	0.6	0.6	0.45	0.45
41	250	97	291	65	416096	87152	458300	96514	0.6	1.1	0.55	1.01	0.7	0.7	0.63	0.67
42	54	13	49	18	39988	8866	42204	9362	1.4	1.5	1.28	1.39	1.2	2.0	1.16	1.92
43	11	4	5	2	2216	496	2216	496	5.0	8.1	4.96	8.06	2.3	4.1	2.26	4.03
Total	16645	5583	13742	3900	5456260	1390435	5456260	1390435	3.1	4.0	3.05	4.02	2.5	2.8	2.52	2.80

Back to article page

ISSN: 1471-2393

Contact us

Submission enquiries: bmcpregnancyandchildbirth@biomedcentral.com
General enquiries: ORSupport@springernature.com