Women who undergo IVF have a higher risk of experiencing blood clots while they are pregnant, a new study has found.
Swedish researchers found that a higher ratio of women who got pregnant following in vitro fertilisation (IVF) suffered from venous thromboembolism (blood clots) than those who became pregnant naturally.
The risk of pulmonary embolism - a potentially fatal blood clot which can prevent blood from reaching the lungs - in women who had the fertility treatment increased almost seve-nfold during the first trimester of pregnancy, according to the research.
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Nearly 38,000 runners will hope to complete Sunday's London Marathon making it the biggest event in its 35-year history.
Rain across central Britain with longer, intense downpours with thunder in places this evening. A lucky few will stay sunny and dry.
Planning on going to the London Marathon tomorrow? Read our handy guide first!