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.

Follow mothers-to-be with jaw dropping conditions or in extraordinary situations, from their own perspectives and the medical experts looking after them.