You are going to listen to short talk about the connection between morning sickness and twins. Morning sickness is a condition common in the early months of pregnancy.
Remember there are two types of twins: identical & non identical/fraternal
Can you guess the percentage of twins amongst all births in the UK? a) 0.5 b) 1.5 c) 2.5 d) 0.25 Now listen to this BBC discussion on the link between two experts on the BBC radio programme More or Less