Neighbours star April Rose Pengilly has spoken to about Chloe Brennan's pregnancy storyline, revealing that her character is "really shocked" to discover the news.Next week's episodes see Chloe learn that she's expecting a baby, leaving her with some big decisions to make due to her medical situation.Viewers know that Chloe has the Huntington's gene and has a 50% chance of passing it onto any children she has.