Dads! From body hair to stretchmarks - the facts of pregnancy.

All the gory details about the next nine months revealed

She could get hairier
Even the most open-minded men might show surprise at this, but be careful not to criticise. Many women are sensitive about their changing appearance, and the last thing they need is you making werewolf jokes. The best solution to all body changes is to enjoy them, and love them as much as possible. And if they really bother you, remember they're temporary and for a good cause.

She might lose hair
After the birth, some women lose hair. There isn't usually one spot where hair vanishes, but there can be an overall loss of hair. You might find her body and head hair becomes thinner. As ever, you should be tactful, and remember that it will grow back.

She may become short-sighted
A shift in hormones can cause a variety of eye problems during pregnancy.Any change usually resolves itself after birth, when the hormones settle down. Although some problems can be expected, you should also be aware that vision impairment could be a sign of diabetes and high blood pressure, so don't become too complacent.

Her breasts could leak
In preparation for providing milk, you may find your partner's breasts leak during the last two thirds of pregnancy. For some women this is nothing more than an occasional, T-shirt-spoiling dribble. For others, it's constant dripping. Try not to pull your face or look disgusted. Imagine if your body was changing in such dramatic ways, and be interested rather than horrified.

She'll be constantly on the loo
Many pregnant women feel a constant need to urinate. It's important to keep drinking, so the only solution is for her to keep going to the toilet. Don't plan too many long journeys.