Natality Table

Number & Rate of Live Births by Interpregnancy Interval and by Year,
Monroe County Health Department,
Michigan 1989-2022
Year	Multiparous Mothers	Interpregnancy Interval
		Short IPI		IPI of 12-35 Months		IPI of 36 Months and over
		Number	Rate	Number	Rate	Number	Rate
1989	1,120	217	193.8	553	493.8	350	312.5
1990	648	124	191.4	303	467.6	221	341.0
1991	548	104	189.8	267	487.2	177	323.0
1992	556	103	185.3	253	455.0	200	359.7
1993	884	164	185.5	431	487.6	289	326.9
1994	869	132	151.9	408	469.5	329	378.6
1995	1,023	164	160.3	445	435.0	414	404.7
1996	1,025	185	180.5	441	430.2	399	389.3
1997	925	155	167.6	427	461.6	343	370.8
1998	1,061	168	158.3	433	408.1	460	433.6
1999	1,021	167	163.6	491	480.9	363	355.5
2000	917	128	139.6	384	418.8	405	441.7
2001	987	173	175.3	439	444.8	375	379.9
2002	971	150	154.5	451	464.5	370	381.1
2003	1,023	163	159.3	461	450.6	399	390.0
2004	1,008	157	155.8	465	461.3	386	382.9
2005	995	167	167.8	454	456.3	374	375.9
2006	1,038	179	172.4	463	446.1	396	381.5
2007	959	180	187.7	414	431.7	365	380.6
2008	954	191	200.2	410	429.8	353	370.0
2009	927	161	173.7	427	460.6	339	365.7
2010	869	156	179.5	395	454.5	318	365.9
2011	861	161	187.0	366	425.1	334	387.9
2012	849	157	184.9	361	425.2	331	389.9
2013	884	145	164.0	386	436.7	353	399.3
2014	875	124	141.7	406	464.0	345	394.3
2015	837	153	182.8	357	426.5	327	390.7
2016	901	149	165.4	394	437.3	358	397.3
2017	875	126	144.0	416	475.4	333	380.6
2018	862	160	185.6	381	442.0	321	372.4
2019	913	154	168.7	414	453.5	345	377.9
2020	897	135	150.5	412	459.3	350	390.2
2021	890	169	189.9	418	469.7	303	340.4
2022	668	109	163.2	299	447.6	260	389.2

Notes:

Rates are per 1,000 multiparous mothers.

Short IPI: The IPI is less than 12 months.

Source: 1989 Michigan Birth Certificate Registry;1990-2022 Geocoded Michigan Birth Certificate Registries.
Division for Vital Records & Health Statistics, Michigan Department of Health & Human Services