What determines if a woman will have a Caesarean?

http://www.bbc.co.uk/news/health-38223502

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The number of babies born by Caesarean section has affected human evolution, a study has suggested.

The study suggests C-sections allow women with narrow pelvises to give birth when they or their babies' lives might previously have been at risk - and this means the genes for narrow pelvises are passed on to future generations, leading to further Caesarean deliveries.

But there are many other factors involved in whether or not a woman will have a C-section.

Some are commonly believed to determine if a woman will give birth naturally or via by Caesarean - but the evidence used by the NHS says they don't...

Things that won't make a difference...

But a planned Caesarean might be necessary if...

And sometimes an unplanned Caesarean delivery might be required when...

But if you are pregnant and have any concerns or questions, it's always best to speak to your doctor or midwife.