Babies ‘Turned Gay’ if Mothers Smoke During Pregnancy – Brain Doctor Claims

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Women who smoke during pregnancy could increase the likelihood of their child being gay, according to a neurobiologist.

The sexuality of an unborn child is influenced by the lifestyle led by its mother, Professor Dick Swaab writes in his new book.

The 69 year-old scientist at the University of Amsterdam believes that heterosexuality or homosexuality is determined in the womb.

For decades, debate has raged over the origins of sexual orientation with some arguing it is a lifestyle choice or influenced by upbringing.

But in ‘We Are Our Brains’, Prof. Swaab firmly states there is “no proof of this whatsoever”.

Instead, the brain doctor suggests smoking and synthetic hormones can increase the likelihood of girls being lesbian or bisexual.

Poor lifestyle choices such as drinking alcohol or taking drugs while pregnant can lower a child’s IQ, claims Prof. Swaab.

He writes in the controversial book that brain development during pregnancy is altered by the tiniest chemical changes.

And if a woman has given birth to older brothers the chances of her baby being gay is greater.

Prof Swaab writes in his book: “Pre-birth exposure to nicotine or amphetamines also increases the likelihood of lesbian daughters.

“Pregnant women suffering from stress are also more likely to give birth to homosexual children, because their raised levels of the stress hormone cortisol affect the production of fetal sex hormones.

“The more older brothers a boy has, the greater the chance that he will be homosexual.

“This is due to a mother’s immune response to male substances produced by boy babies in the womb, a response that becomes stronger with each pregnancy.”

Past studies of women who took synthetic oestrogen between 1939 and 1960 to reduce the harrowing prospect of a miscarriage had a greater chance of having daughters who were bisexual or lesbian.

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