Bianca Wright-Halliwell/Season 4

Life is Great
In Season 4,  life is pretty great for the happy couple, with Bianca and Chris. As they return, it is revealed that Bianca is pregnant with their first child. And it is cause of that, Bianca is very protective of her unborn baby. whom later on, reveals to have powers of the womb, creating an orb shield to protect her. Within this situation, she had become very moody during the pregnancy, and tends to navigate to Chris to help her through.

The Birth of Matthew
Eventually later, Bianca finally gave birth to her first child, Matthew Halliwell around the time of Halloween and was very proud of it, him birthing almost a day before Jo Halliwell was born, who had become close to Matthew.