Chemotherapy treatment undertaken by women during their pregnancy may negatively affect their unborn baby girls' fertility in later adulthood warns a study. The findings showed that a drug called etoposide can damage the development of mouse ovary tissue grown in the lab. Etoposide is used to treat several types of cancer and is considered safe for use in pregnancy because it has a low risk of miscarriage and birth defects. However little is known about the longer terms effects of the drug on the unborn baby in later life the researchers said. The drug has been found to affect specialised