London: Taking epidurals during labour may protect key muscles, thus cutting the risk of incontinence in later life, revealed a study of nearly 400 women. The study found more than one in ten women who had vaginal births suffered damage to the "levator" muscles, which hold up internal organs.
Over a third had undergone either a planned or emergency Caesarean section, and there were no cases of muscle damage or tearing among these women. Of those who had delivered their baby vaginally, about 13 percent were found to have some damage. The risk of muscle tearing was slightly lower among those whose birth had been assisted with a ventouse - a suction cup, which fits on the baby’s head - than those who did not have an assisted delivery. But the use of forceps did push up the risk of damage, with a third of these births resulting in muscle injury. The length of labour was key: a long period of pushing was strongly associated with injury. But overall, those who had opted for an epidural, the spinal analgesia which blocks out some or all of the pain of contractions, had a lower risk of damage than those who had none. Two-thirds of the women who suffered damage had no epidural. The researchers, led by Dr Clara Shek, speculated there may be two reasons for this—Firstly, women who have epidurals tend to be told when to push as they can no longer feel contractions. This means the potential damage from premature or over-pushing is reduced. And physical changes in the paralysed muscle may also mean it is less likely to suffer injury. The study has been published in the BJOG, the leading obstetrics journal. ANI
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