It found one third of respondents had been or were confused over what you could and could not eat safely during pregnancy, whether or not it was safe to colour your hair when pregnant and which prescription drugs are safe to take during pregnancy.
Additionally, a quarter did not know what exercise was considered safe when pregnant and 15% were confused by how much alcohol, if any, they should drink during pregnancy.
Sharon Simms, a midwife at the charity, said: Research is revealing new findings all the time about the best ways for women to keep their babies healthy, so it is vital that mums-to-be get the most up to date information from both their midwife and other credible sources.
‘Whilst it is reassuring for women to speak to family and friends about their pregnancy, times have moved on,’ she added. ‘What was considered right for our parents’ generation may no longer still be the case.’