An important question is the clarification of paternity. To do this, contact the locally responsible youth welfare office, Office for Social Services.
Youth welfare offices in Nordrhein-Westfalen: https://www.kinderinfo.de/jugendaemter/nordrhein-westfalen/
You will find a lot of information concerning expectant fathers at:
https://www.vaeter.nrw/fachinformationen
You can also find offers for expectant fathers at: https://www.profamilia.de/angebote-vor-ort/nordrhein-westfalen/