# Support importing phased BGEN files

**URL:** <https://discuss.hail.is/t/support-importing-phased-bgen-files/3558>\
**Category:** Feature Requests\
**Created:** [August 22, 2023, 10:28pm UTC](https://discuss.hail.is/t/support-importing-phased-bgen-files/3558 "2023-08-22T22:28:21Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![RossDeVito](https://yyz2.discourse-cdn.com/flex036/user_avatar/discuss.hail.is/rossdevito/32/877_2.png) [@RossDeVito](https://discuss.hail.is/u/RossDeVito)\
**Post date:** [August 22, 2023, 10:28pm UTC](https://discuss.hail.is/t/support-importing-phased-bgen-files/3558/1 "2023-08-22T22:28:22Z")

</div>

Hey team,

Hail preserves phase information when importing VCF files, but import\_bgen() notes that it does not. Is there something about BGEN files that makes this harder? It would be useful for my current work simulating and modeling haplotype level cis interactions.