Aim of the Study: Comparison of (stressful) living conditions and use of universal, selective and indicated prevention services in nuclear, single parent and stepfamilies with young children., Methods: Using two representative German surveys of mothers with children aged 0-3 years (KiD 0-3 2015, n=6,671, and AID:A 2019, n=1,501), mothers' reported burden and the use of various prevention services in different family types were examined descriptively and with Chi²-tests., Results: Overall, single parent families and, to some extent, stepfamilies showed increased socioeconomic stress compared to nuclear families (e. g., young motherhood, higher poverty risk). In particular, universal prevention services (e. g., prenatal classes, parent-child courses) were used less frequently by single parent families, while selective and indicated services such as family or child guidance counselling services and offers of youth welfare agencies were used more frequently., Conclusion: Increased socioeconomic stress suggests a higher need for support among single parents compared to nuclear families. Universal group offers are possibly not sufficient to meet these needs, whereas selective individual counselling offers such as pregnancy and child guidance counseling are used more frequently by single parent families and stepfamilies compared to nuclear families. There seems to be a lack of (group) offers tailored to single parent families - particularly in the first developmental phase of a child's life., Competing Interests: Die Autorinnen geben an, dass kein Interessenkonflikt besteht., (Thieme. All rights reserved.)