When it comes to the first 12 weeks of pregnancy, everyone has an opinion on what a woman should and shouldn’t be doing.

Traditionally, this is the period before a couple officially announces their incoming baby, but it’s also one riddled with worry as mums-to-be try to wade through reams of information – and misinformation – to give their bub the best start.

How much should you exercise? What should you be eating? What should you NOT be eating? Is it time to take a break from the booze? Is coffee okay?

It’s hard to de-stress when your mind is buzzing from so many questions.

So, in the interests of keeping things simple, we’ve put together a definitive list of first trimester do’s and don’ts.

Whoops. Source: iStock

Do's:

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Don'ts:

So, what have we learned? The first trimester is a good time to set yourself up for the rest of your pregnancy. Get into good routines, speak with your doctor, plan your final 24-weeks and sleep like a newborn baby is soon to enter your house.

Take a scroll through some of the most memorable on screen pregnancies:

Pregnancies on the big screen

Juno

Orange is the New Black

Love, Rosie

Twilight

Sex and the City

Unexpected

Knocked Up

Waitress