Women are more likely to engage in risky sexual behavior after 3 drinks — and other data about booze and sex

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Getty Images

Your mobile phone can do so much these days. It can help you order a car, get your food delivered, and arrange for your laundry to get done.

But a growing number of women are using it for another purpose: helping them get pregnant, avoid pregnancy, and get general sex advice.

Glow, a startup created by PayPal mafia member Max Levchin, offers such apps.

Every now and then, Glow polls the more than 4 million women who use its apps about sexual topics. It also looks at the anonymized data collected by its apps to discover insights into women’s sex lives.

Glow just studied how alcohol influences sex and confirmed that there’s a definite correlation between how much a woman drinks and the kind of sexual behavior she might regret.


A woman’s interest in drinking ebbs and flows, just like her interest in sex. The most common day of the week for drinking is Saturday.

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Photo by Hal Horowitz/Invision/AP

Source: Glow data


The least common day of the week for drinking is Tuesday.

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Flickr / Keirsten Marie

Source: Glow data


The most common month of the year for drinking is July.

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Flickr/Nicola

Overall, summer is definitely the season for drinking. The women polled reported that they drank the most in July, followed by August, May, and June.

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Flickr / Jeremy Segrott

Source: Glow data


The least common month of the year for drinking is January, after the holiday party season ends and the New Year’s resolutions begin — #Drynuary.

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REUTERS/Darren Ornitz

Source: Glow data


The four least common months of the year for drinking are January followed by March, February, and April.

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Lucy Nicholson/Reuters

Source: Glow data


Three or more drinks is the number that can lead to riskier sexual behavior.

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Sam Rega

Women who logged over three drinks are more likely to have unprotected sex. They are also more likely to say that their birth-control method was the morning-after pill or withdrawal.

Source: Glow data


Likewise, women who drank less than three drinks were more likely to say that the sex they had was protected by the pill or condom as their birth control.

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Flickr/Shawn Latta

Fifty-five percent of women who drink said that alcohol caused them to make a sexual decision they regretted.

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zoetnet/Flickr

Source: Glow poll of over 3,000 female respondents


Women who drink are most likely to drink on special occasions (28%). Without a special event, 20% said that they drank once a week, 19% said once or twice a month, and only 11% said that they drank “most days.”

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Lwp Kommunikáció/flickr

Source: Glow poll of almost 5,000 female respondents


Forty-five percent of women who drink say that it takes between four and six drinks in order to get drunk. For 35%, it takes two or three drinks. For 15%, it takes more than seven. About 5% drink one and are done.

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Getty Images

Source: Glow poll of almost 5,000 female respondents


When women drink, they slightly prefer wine (25%) or liquor (23%) followed by fancy cocktails (22%) and beer (14%).

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Ilya S. Savenok / Stringer / Getty Images

Source: Glow poll of almost 7,000 female respondents