Watch Out: Even Special Occasion Drinking during Pregnancy can be Harmful

by Adeline Dorcas on  October 14, 2019 at 12:11 PM Women Health News
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Pregnant women who drink even small amounts of alcohol on special occasions are more likely to affect the unborn child's health, reports a new study. The findings of the study are published in the Journal of Physiology.
Watch Out: Even Special Occasion Drinking during Pregnancy can be Harmful
Watch Out: Even Special Occasion Drinking during Pregnancy can be Harmful

If you thought a glass or two of alcohol on special occasions was safe during pregnancy, think again. Research shows even small amounts of alcohol consumed during pregnancy can cause insulin-resistance, which increases the likelihood of diabetes, in male rat offspring.

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The study mimicked 'special occasion drinking', such as a family barbeque or birthday party, where a pregnant mother might be encouraged to have one or two alcoholic drinks. Male rats exposed to this low level of prenatal alcohol showed signs of becoming diabetic at around six months old. The researchers only gave alcohol to the mother rats on two days during their pregnancy.

The rats' blood alcohol concentration only reached 0.05%, and yet their male offspring became almost diabetic, with insulin levels reaching higher than expected to maintain normal blood sugar levels.

Another interesting finding was that insulin-resistance was sex-specific, occurring only in the male rats. There are a couple of potential reasons for this, one being that during pregnancy, the placenta adapts to a prenatal stress differently depending on if it's a male or female fetus, and this can impact on fetal growth and development.

The other factor is hormone changes as offspring grow into adulthood. In this case, oestrogen protects against insulin-resistance, and because males don't have high oestrogen, they don't experience the same protection.

Commenting on the study University of Queensland researcher Lisa Akison, senior author on the study, said:

"Even a small amount of alcohol during pregnancy can be harmful, so if you're planning on getting pregnant don't drink. Families, partners and friends should support a woman's choice not to drink alcohol during pregnancy. If a woman accidentally becomes pregnant, and unknowingly drinks alcohol during the first part of their pregnancy, the important thing once they know is to stop drinking, have a good diet and take care of themselves throughout the remainder of the pregnancy."

Source: Eurekalert

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