Season 4 - Episode Guide

Stacey is expecting her second child; the first with her husband Lee, Ramona wants a natural birth with her husband by her side, and trainee yoga instructor Sara embraces the idea of 'active birth'.

Biaggio says Sam's mum is like the Duracell bunny. He's grateful for her energy when things get tough in the delivery room. Claire always knew she wanted her mum at the birth because she's her 'rock'.

Two strong-willed first-time mums give birth at Leeds. Alexandra left her native Latvia to find adventure and is fiercely independent. Surbhi is from the warrior Hindu caste and knows what she wants.

Two expectant dads from tough upbringings want better lives for their sons. William met Belem online when they lived 5000 miles apart. And Dan's partner Kerry has prepared 84 baby outfits.

Midwife Linda Abbott returns to work at Leeds General a year after retiring. And two expectant dads with extremely different bedside manners are in the maternity wards.

There's a nationwide baby boom in September and the Leeds General Infirmary midwives are run off their feet, with some mums being sent across the city to St. James's at the last minute.

Katie and Jonathan were separated when she found out she was pregnant, and she had to tell him on Facebook. Meanwhile, Jolanta wants a water-birth but is known to have quick deliveries...

Thirty-nine-year-old Nina and 18-year-old Laura prove that unplanned pregnancies can happen at very different ages. Nina is having twins, while Laura is booked in for an induction.

A couple who had their first baby when they were teenagers are expecting their second, five years later. And an expectant father masks his anxiety about a congenital condition with humour.

Leah is having her sixth baby but her partner is in prison and will miss the birth. And Becky met Police Sergeant John one Halloween when he was dressed as a witch and it was love at first sight.

Naomi's pregnancy has turned her relationship with Jason into a stable partnership. Tanya is having her baby without the dad being involved, and Shannon and Dale are becoming parents at 18.

A mum who experienced a traumatic birth in the last series returns to have a second baby in the same Leeds operating theatre, with the memories of the last time still fresh in her mind.

Hayley and Pete's baby has a diaphragmatic hernia: an extremely rare, life-threatening condition. Unlike most mums, Hayley knows the most dangerous part of labour will be after birth.

One expectant couple have faith beyond the hospital staff, while another dad-to-be is in danger of missing out on the big moment.