Summary: The documentary returns from a new location, capturing daily life in Liverpool Women's Hospital, home to the largest maternity unit in Europe. Gary, 48, tries to keep his 41-year-old partner Yvonne smiling through her contractions, while 25-year-old Jennifer and 26-year-old Darran support each other through a difficult labour. The couple were told at their 20-week scan that their baby daughter had a heart defect, but it will not be until the birth that they know how badly it might affect her.

Summary: Former lovers Marie and Mark put on a united front to be the best parents they can be, as they look forward to the arrival of their third child together. Brazilian first-time mum Caia is focused on a natural birth, but her partner Bernardo's outbreak of 'man flu' is an unforeseen distraction for the midwife. Childhood sweethearts Tom and Kate put their squabbling aside for the birth of their second baby.

Summary: Ex-lovers, Mark and Marie, prove that you don't have to be together to raise a family, Brazilian first-timers, Caia and Bernando, are in it for the long haul and childhood sweethearts, Tom and Kate, must put their squabbling aside.

Summary: Midwife Danika is joined by childhood sweethearts Becky and Colin, and marathon runners Matt and Milly at Liverpool Women's Hospital, the largest and busiest maternity unit in Europe.

Summary: A reformed party girl prepares to meet the child she thought she'd never have, a teenage couple welcome their unplanned baby and a self-confessed control freak struggles when her birth plan goes wrong

Summary: An Iranian couple get lost in translation during labour, and a football-mad dad channels his supporting skills to overcome his squeamishness

Summary: A teenager is shocked to find she's 24 weeks pregnant, and a proud Dad-to-be is eager for his fist born to be a boy so he can pass on the Greek family name he is so proud of.