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Sparkling Water

Sparkling Water

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Sparkling water is plain water carbonated with carbon dioxide, sometimes with natural minerals or a little salt. It is safe in pregnancy and counts fully towards your fluids; the bubbles are the only thing some people find uncomfortable.

Why it's good in pregnancy

Fizzy water hydrates just as well as still, and it is a handy swap for cola, lemonade or wine when you want something with a bit of life in it. A splash of lime or a few berries make it a treat with no sugar or caffeine to count.

Serving ideas

Sparkling water with a squeeze of lime over ice
Topped with a splash of fruit juice as a mocktail
With crushed mint and cucumber
A glass with a meal as a swap for wine

Safety

Sparkling water is just water and carbon dioxide — safe and hydrating.The bubbles can worsen bloating or heartburn; go still if they do.

Choose plain sparkling or mineral water; check flavoured versions for added sugar, sweeteners or citric acid, which is harder on tooth enamel. Soda water contains a little sodium bicarbonate, so if you are watching salt or blood pressure, pick 'sparkling' rather than 'soda' water. If you have heartburn or feel bloated — common from the second trimester — the carbon dioxide can make it worse, so switch to still for a while. Bottles are fine from anywhere; abroad, sealed bottled water is the safer option where tap water is uncertain.

Common questions

Is sparkling water safe during pregnancy?Yes — it is water with carbon dioxide and nothing else, so it is as safe and hydrating as still water.
Does fizzy water cause bloating in pregnancy?It can, especially later on when your stomach is squeezed; smaller glasses or still water help if that happens.
Does sparkling water count as water intake?Yes, every glass counts fully towards the 1.6–2 litres of fluid a day suggested in pregnancy.

Did you know?

Carbonated water has a pH of around 5, mildly acidic but far gentler on teeth than cola at pH 2.5.
Sparkling water eases nausea for some people — the bubbles seem to help the stomach settle.
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