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New Blood Test Could Predict Your Baby's Date Of Birth

New Blood Test Could Predict Your Baby's Date Of Birth

This could be a major breakthrough when it comes to giving birth.

Kimberley Bond

Kimberley Bond

Scientists may have discovered a new blood test which gives a far accurate prediction of a baby's due date.

Research at Stanford University School of Medicine say they have found a way to predict when the baby is coming by observing properties in the mother's blood.

The team observed 63 women who gave two or three blood samples in the last 100 days of their pregnancies.

Scientists may have discovered a new way to predict a woman's labour (

All of them went into labour around similar times, with doctors then able to compare their labour date with signals in their blood.

Using scientific modelling methods, the researchers could determine which features in the blood best predicted labour was coming.

The blood had lower levels of chemicals that form blood vessels - a sign the placenta and uterus are breaking apart and that labour was imminent.

Blood had a number of properties that could accurately predict your due date (
PA Images)

One protein was the most predictive that a woman was set to go into labour - IL-1R4, which helps prevent inflammation.

If doctors can predict if a woman will give birth earlier they can put control measures in place, such as providing medication that mature the baby's lungs quicker and make the process of labour more bearable for all.

Research leader Dr Ina Stelzer, said of the study: "We found a transition from 'progressing pregnancy' to a 'pre-labour' phase that happens two to four weeks before the mom goes into labour.

"We've identified a novel way to use the maternal blood to predict when a mother will go into labour."

Dr Virginia Winn, associate professor of obstetrics and gynaecology at Stanford, said: "The mum's body and physiology start to change about three weeks before the actual onset of labour.

"It's not a single switch; there's this preparation that the body has to go through."

Currently, the test is thought to give a two-week window but could become more precise as new technology develops.

Currently, doctor's predict due date on the day of your last period and on the baby's size (

And should further test go well, the blood test may be implemented in hospitals worldwide in around three years' time.

As it stands, doctors predict a mum-to-be's due date by calculating 40 weeks from her last period, as well as looking at the baby's size.

But the date is rarely accurate, with only around five per cent of babies born when doctors expect.

Featured Image Credit: Unsplash

Topics: Pregnancy, Baby, Life News, Life, Motherhood