Should You Take Painkillers During Pregnancy?

Should You Take Painkillers During Pregnancy?

The consumption of painkillers during pregnancy have been debatable for a while now. Pregnancy can bring with it a lot of ailments like constipation, rashes, nausea and back pain for which some women may rely over the counter drugs. While some are safe, others may not be. Just because it is easily available that does not mean it is safe for consumption during pregnancy.

Previous studies have showed that the consumption of paracetamol during pregnancy may affect the development of sex organs in unborn boys. This new study suggests that it may affect fertility in females too. Using painkillers in pregnancy may reduce fertility in subsequent generations, warns the study. The study was published in the journal Scientific Reports.

Several tests conducted on rats revealed that when a mother was given painkillers duringpregnancy, her female offspring had fewer eggs, smaller ovaries and smaller litters of babies than those not exposed to the drugs.

The findings are significant given the similarities between the reproductive systems of rats and humans, although it is difficult to directly extrapolate these results to pregnant women, the researchers noted. “It’s important to remember that this study was conducted in rats not humans, however, there are many similarities between the two reproductive systems,” said Richard Sharpe, professor at the University of Edinburgh in Britain.

In addition to affecting a mother’s immediate offspring, the study also showed that the effect of such drugs were extended to the subsequent generation of rats. The resulting females, the grand daughters of the mother given painkillers in pregnancy, also had reduced ovary size and altered reproductive function, said the researchers.

Like previous studies, this one too showed that exposed male offspring were also affected at birth – showing smaller numbers of cells that give rise to sperm in later life. However, their reproductive function recovered to normal levels by the time they reached adulthood.

Researchers suggest that pregnant women should stick with the current guidelines to use painkillers at the lowest possible dose, for the shortest possible time.  Scientists tested the effects of two painkillers in pregnant rats – paracetamol and a prescription-only painkiller called indomethacin, which belongs to the same class of drugs as ibuprofen andaspirin. Rats were given the drugs over the course of several days – four days for indomethacin or nine days for paracetamol. Paracetamol is known to act as a hormone disruptor in the womb that can affect the normal brain development of the foetus.

“These studies involved the use of painkillers over a relatively long period. We now need to explore whether a shorter dose would have a similar effect, and how this information can be usefully translated to human use,” said co-author Richard Anderson, professor at the University of Edinburgh. It is also suggested that tablets that combine paracetamol andcaffeine should be avoided. High levels of caffeine can result in babies having a low birth weight and they can have other health issues later in life.

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