Cancer risks in women who had children with different partners from the Swedish Family-Cancer Database
We used the nationwide Swedish Family-Cancer Database to analyse cancer risks in women who have had children with different men. Cancer cases were retrieved from the Swedish Cancer Registry for 1961-1998. A total of 3 million women and 316 497 cancer cases were covered. For women having children with more than one partner, an increased risk was shown for upper aerodigestive tract, anal, liver, pan