The study, published on bmj.com, took data from 23,500 women who had IVF and 117,000 women with natural pregnancies and found that:
- 4.2 out of every 1,000 women who had IVF suffered blood clots
- compared with 2.5 of every 1,000 with natural pregnancies
- pulmonary embolism occurred in 8.1 women out of every 10,000 who have IVF
- compared with six out of 10,000 who get pregnant naturally
More top news
Cold, quiet and calm
The eastern European country brought back conscription, is spending on defence, and is now building a wall.
The chairman admitted that "we were all wrong" about the resilience of the economy.