MPs today will vote on the Children and Families Bill. If it passes, Clause 20 will make Review of Sex and Relationship Education a statutory part of the National Curriculum.
Shadow Children's Minister, Lisa Nandy, has told ITV Daybreak: "It's really important [that young children] understand what a healthy relationship looks like."
More top news
Gay men in Northern Ireland will now be able to donate blood for the first time after a controversial lifetime ban was lifted.
A number of Cabinet ministers will begin a round of Brexit talks with foreign counterparts on Thursday.
Drinking moderately does not seem to affect a woman's fertility, a study suggests.