![What is Luteal Phase Defect?](https://www.fertilitycenter.com/uploads/2020/06/iStock-514155860-150x150.jpg)
What is Luteal Phase Defect?
The proposal of a luteal phase defect (LPD) has floated around infertility forums and research for years. The data supporting its existence remains thin. What is a luteal phase defect?…