Two years ago Lauren lost two limbs in a road accident. Now she's pregnant and faced with learning how to look after herself and her family all over again.
Liz's growth restriction means she can never carry a baby herself. Determined to be a Mum, she found Caz, a first time surrogate to have her baby instead.
Pregnant with triplets, Deb is struggling to eat for four. Two and a half years ago she had a gastric bypass after her weight climbed to 25 stone.
Blind couple Melissa and James rehearse for parenthood with a baby they'll barely be able to see. And despite her hip condition, Lynn wants a baby at any cost.
Worried about the effect on her unborn child, narcoleptic Shilo stops medicating; and Deb and Kris contemplate joint breastfeeding for their triplets.
We met some extraordinary mums over the course of the series, but how are they and their babies faring now? Find out more about these amazing unsung heroes.
Heidi Loughlin from Portishead found out she had breast cancer while pregnant.
Rose and Lauren are in a 'poly-triad' relationship with Buddy and pregnant with his babies. Female-born Fernando lives as a man and is having a baby with his transgender partner.
Transgender dad Fernando and his fiancée face complications during the birth of their first baby boy. Meanwhile, Sheree must confront her fear of a getting C-section.
Morbidly obese Lorraine's risky pregnancy needs the medical team's full expertise. At home, severely disabled Sheree and her husband face the challenges of being parents.
Single gay man, Steven, faced hostility for wanting to be a father but, thanks to surrogate Monica, he's about to become a dad. And pole-dancer Kat insists on dancing until labour.
Melissa and Mason are shocked to find out they're expecting quadruplets.