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In the U.S., one standard drink contains 14 g of pure alcohol (0.6 fl oz), no matter if it’s beer, wine, or spirits.

No amount of alcohol is seen as safe in pregnancy, so the safest choice is to avoid drinking entirely.

After one standard drink, wait about 2 hours before breastfeeding; skipping alcohol is the safest choice.

How much alcohol is okay to drink varies, yet many adults keep risk lower at 0–1 drink on drinking days plus alcohol-free days.

No amount of alcohol is known to be safe during pregnancy, so the safest choice is to avoid it entirely.

Many guides set 0–1 drink/day for women and 0–2 for men as a lower-risk range; for many people, none is safest.

Alcohol can turn lethal when blood alcohol reaches about 0.40%, yet lower levels can kill when drinking is fast or mixed with sedatives.

Legal alcohol limits are set by blood alcohol concentration (BAC), often 0.05 or 0.08, with lower limits for new and commercial drivers.

On an EtG hair test, 20 pg/mg is a positive level that lines up with repeated drinking during the tested hair window, not one isolated drink.

Most ZzzQuil Nighttime liquids list 10% alcohol; a 30 mL dose has about 2.4 g ethanol, while many ZzzQuil versions have none.