"In many developing and developed countries we see an epidemic of caesarean sections even when there is no need. It is a safe method of delivery but it is still an operation, a surgical intervention that can have negative and harmful effects on the mother and child," said Marleen Temmerman, Director of Reproductive Health and Research at WHO.
"It also has its consequences. You have a higher risk of bleeding and other complications. Even in developed countries if we see maternal mortality it is linked though not the only reason for caesarean section rates," she added.
Some middle income countries like Brazil and European countries like Cyprus and Georgia have a more than 50 per cent rate of caesareans.
The Geneva-based global health organisation states the rates between ten to 15 per cent of c-sections for a country is healthy but a rate beyond that shows no correlation with improved mortality rates.
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"Currently in all countries (c-section rates) have gone up and in some countries dramatically and above a certain rate we do not make any positive health effects of mother and the baby," she added.
"You can see difference in deliveries that are led by midwives you see less intervention and medicalisation of pregnancy done more by doctors.
"I am not saying nurses are better than doctors. When you have a normal pregnancy it can be done by midwives and nurses but when you have a complication you can go to a doctor. Also, it is much easier for doctors and hospitals to arrange logistics."
She said that she is not sure if financial gains are one of the reasons for hospitals and doctors pushing for surgeries.
Even women prefer it for logistical and other reasons. It has become increasingly safe than 40 years ago and women are less scared of operations, she said.
"They are afraid of the physical pain through vaginal delivery. There are these movements which say keep your honeymoon vagina. In some cultures, if you are a woman of standing you go for c-section. But this option also has consequences that women should be aware of," the UN official warned.