Number & Percent of Live Births by Weight Gain of Mother and by Year,
Michigan 1989-2022

Year	Singleton	Weight Gain of Mother
		Weight Gain Low		Weight Gain Normal		Weight Gain High
		Number	Percent	Number	Percent	Number	Percent
1989	144,282	---	---	---	---	---	---
1990	149,142	---	---	---	---	---	---
1991	145,466	---	---	---	---	---	---
1992	139,981	---	---	---	---	---	---
1993	135,844	---	---	---	---	---	---
1994	133,787	---	---	---	---	---	---
1995	130,380	---	---	---	---	---	---
1996	129,330	---	---	---	---	---	---
1997	129,450	---	---	---	---	---	---
1998	129,381	---	---	---	---	---	---
1999	128,899	---	---	---	---	---	---
2000	131,607	---	---	---	---	---	---
2001	128,456	---	---	---	---	---	---
2002	124,941	---	---	---	---	---	---
2003	126,038	---	---	---	---	---	---
2004	124,911	---	---	---	---	---	---
2005	122,970	---	---	---	---	---	---
2006	122,796	---	---	---	---	---	---
2007	120,677	---	---	---	---	---	---
2008	116,882	21,549	18.4	34,229	29.3	55,606	47.6
2009	112,981	20,453	18.1	32,968	29.2	53,865	47.7
2010	110,440	20,993	19.0	31,614	28.6	51,504	46.6
2011	110,032	21,415	19.5	31,566	28.7	51,650	46.9
2012	108,593	21,734	20.0	31,489	29.0	50,232	46.3
2013	109,488	21,221	19.4	31,654	28.9	51,043	46.6
2014	110,231	21,894	19.9	32,690	29.7	51,200	46.4
2015	109,001	21,647	19.9	32,603	29.9	50,783	46.6
2016	108,997	21,893	20.1	32,631	29.9	50,483	46.3
2017	107,205	22,036	20.6	32,352	30.2	49,091	45.8
2018	106,027	21,789	20.6	31,713	29.9	48,118	45.4
2019	103,864	20,996	20.2	30,083	29.0	47,997	46.2
2020	100,409	20,996	20.9	29,251	29.1	48,293	48.1
2021	101,128	20,954	20.7	28,426	28.1	50,009	49.5
2022	97,184	20,914	21.5	28,013	28.8	46,327	47.7

Notes:

--- Triple dashes indicates that the data is not available. Certain birth variables, such as those related to weight gain, BMI, WIC, breastfeeding, infections, tobacco use, chronic conditions and other variables, were not collected before 2008.

Weight Gain Low

Weight gain is considered low if it falls below the IOM recommended range of weight gain.

Weight Gain Normal

Weight gain is considered normal if it is within the IOM recommended range of weight gain.

Weight Gain High

Weight gain is considered high if it rises above the IOM recommended range of weight gain.

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