The singer suffers from a condition called endometriosis, which affects approximately 10% of women worldwide.
The new mum had been told by doctors to have children "sooner rather than later."
Men trying to conceive, take note.
The 'Strictly Come Dancing' dancer said IVF was the couple's 'only option' to have children.
"I’m a week into IVF and feeling really run down and emotional."
Fertility treatment via a sperm donor is becoming more popular.
The singer, 36, plans to undergo fertility treatment to provide siblings for two-year-old son Bear.
The women all bonded after attending an IVF support group.
It's emotionally gruelling, but what are the physical impacts? Fertility doctors talk us through each stage of the IVF cycle.
Eleanor Rowe suffers from a rare congenital abnormality affecting one in a million.