pregnant woman usually goes into labour anywhere from 31 to 42 weeks with 40 weeks being the average. But, some women give birth to premature babies when they deliver early – and the test can also predict this.Which could help to ensure a positive outcome for mum and baby.Medics usually predict due dates by calculating 40 weeks from the mum’s last period and by looking at the size of the foetus.However, only around 5% of babies are born on their due date.And, it can be a shock to mums if the baby comes before they’re expected..The blood test was devised by researchers at Stanford University of Medicine.They expect their findings will be used to create a working test in the next two to three years.Dr Ina Stelzer, the study's lead author,.
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