Sadie Brittle was devastated when she was diagnosed with an ectopic pregnancy. The mum-of-one and her husband Gary had been excited to be giving four-year-old daughter Summer a sibling, but they thought that dream would now have to wait.
However, to the UK couple's surprise, Sadie discovered she was 19 weeks pregnant two months after having the surgery to removed the ectopic pregnancy.
An ectopic pregnancy occurs when an embryo develops in the Fallopian tubes or elsewhere outside the uterus, such as in the cervix or ovaries. It is a potentially life threatening condition and, once discovered, requires immediate medical attention to prevent rupturing and internal bleeding.
Sadie's ectopic pregnancy was discovered in April just after she was at hospital for a routine test.
"I was coming back in the car from having some tests done and I felt really hot and my vision went all blurry," the hairdresser told Daily Mail.
"I went back to work and said I can't cut anybody's hair because I didn't feel well.
"I scared myself when I looked in the mirror because I'd gone white and my face was sweating - I felt like I was actually passing out."
Sadie was taken back to the hospital in an ambulance and scans revealed the ectopic pregnancy. She had surgery that night, and one of her Fallopian tubes was removed. She also needed two blood transfusions due to dangerous blood loss.
"I was in hospital for five days and was on antibiotics and pain relief - they said I would still be able to have children because of the other Fallopian tube," she said.
After Sadie recovered from the surgery, the family went on a holiday to Spain. It was there that Sadie felt like she looked "bigger" than normal while lying by the pool.
"I took a pregnancy test and it showed that I was pregnant, I thought 'There's no way that I am'," she said.
"We called the midwife and she said it could either be a multiple birth or a few cells were left in my body after surgery which would make it look like I was still pregnant.
"I went to see my doctor when I got back and explained my situation and he couldn't quite get his head around it. I had an ultrasound and you could hear a heartbeat.
"I went for a scan which showed that I was 19 weeks pregnant.
"The midwife told us that in the 23 years she's been working, she's never come across it and that she'd only heard of it before."
Sadie has what's known as a heterotopic pregnancy - where a second embryo develops normally in the uterus following the removal of an ectopic pregnancy.
The condition affects just one in 30,000 women and is usually associated with IVF, making Sadie's case even more remarkable because the couple conceived naturally.
Heterotopic pregnancies are usually discovered during treatment for the ectopic pregnancy.
Sadie believes the fact that she so unwell at the time of the ectopic diagnosis meant doctors were so focussed on her health, they missed the second embryo.
Scans have shown that Sadie's baby boy, who the couple have already named Teddy, is healthy and developing normally.
The couple, from Staffordshire, England, is now looking forward to their son's arrival in November.
Gary describes the baby boy as a "miracle".
"It was such mixed emotions, we'd gone through dealing with the loss of the baby and then all of a sudden to be told that we've got another baby in there," Gary told Daily Mail.
"It makes me want to buy a lottery ticket every day."