Toggle high contrast Integrated Fertility Survey Series (IFSS) BGSU National Center for Family & Marriage Research (NCFMR) Dissemination Data Resources by Data Set Integrated Fertility Survey Series (IFSS) Family Profiles FP-15-02 Multiple Partner Fertility Among White Married Couples in the U.S., 1955 FP-14-04 Trends in Motherhood Before First Marriage National Center for Family & Marriage Research (NCFMR) About Us Dissemination Media & Events Marriage Strengthening Research & Dissemination Center Updated: 10/08/2020 11:53AM