Luteal phase: What happens when it's long or short

The levels of estrogen and progesterone increase during the luteal phase. These hormones work together to create changes in the lining of the uterus that prepare it to accept an embryo, should conception occur.

Largely, the luteal phase lasts from around 11 to 17 days. If you want to know when exactly your luteal phase begins and ends, it is recommended that you begin tracking your period as first step.

Yes, the luteal phase is also a fertile period and you can get pregnant during this phase.