when the heart is split / international title: Broken Hearts) is a 2018 Philippine television drama romance series broadcast by GMA Network.

Directed by Gil Tejada Jr., it stars Bea Binene, Benjamin Alves and Sunshine Cruz.

The series is originally titled as Karibal Ko ang Aking Ina.

[1] Rio Matias and Claire del Valle become rivals when they cross paths without knowing their real relationship as biological mother and daughter by coincidence, they both fall in love with Joaquin Espiritu.

[2] According to AGB Nielsen Philippines' Nationwide Urban Television Audience Measurement People in Television Homes, the final episode of Kapag Nahati ang Puso scored a 7% rating.