In the last episode of the series, 19-year-old Steff goes under general anaesthetic for an emergency caesarean, and lesbian couple Becky and Annie endure an exhausting long labour.

Two mothers are about to give birth to their first babies while two fathers are trying to work out their role in the birthing process. And the midwives reminisce about memorable births.

Two young mums-to-be come in to the hospital at the end of unexpected pregnancies. And for their mothers it's time to face up to their girls becoming somebody else's mum.

Kelly is having her fifth baby. Her last one came three minutes after her waters broke. Meanwhile, Joy has had five years of IVF and waits in hospital for days for her first baby to arrive.

This episode observes the remarkable and often uplifting situations that occur every day in the neonatal unit: the stories of the babies so premature or poorly they need extra care.

Lisa's baby Jack has been born with his bowel outside his body. His first few days are critical. Meanwhile, midwife Dominique is determined that Sarah will have the natural birth she wants.

Sam is in labour with her first child and finding the pain unbearable. Her boyfriend Ed's feeling the pressure too. And midwife Kay ponders her career after realising that she delivered Ed.

Tracy is in labour with her fourth child. She's calm and upbeat about her labour until the heart rate of her baby slows and the midwife must race to deliver her baby quickly.