diff --git a/20200718144852-feminizing_hormone_therapy.org b/20200718144852-feminizing_hormone_therapy.org
index ffd2853..47587fe 100644
--- a/20200718144852-feminizing_hormone_therapy.org
+++ b/20200718144852-feminizing_hormone_therapy.org
@@ -1,5 +1,20 @@
 #+title: Feminizing hormone therapy
 
+* How should estrogen be administered?
+
+Options include:
+- Oral sub-lingual pills
+- Transdermal patches
+- Injections
+
+High-dose oral estradiol carries a higher risk of blood clots; lower-dose
+transdermal patches may be a preferable option[[file:JerilynnCPrior1968.org][*]].
+
+* Is Progesterone an important addition to a feminizing HRT regimen?
+A paper published in [[file:JerilynnCPrior1968.org][The Journal of Clinical Endocrinology & Metabolism by
+Jerilynn C. Prior]] claims that the addition of progesterone may yield improved
+feminization and breast development in transgender women.
+
 * References
 - [[file:PrimaryAuthorDr.AmyBournsMDCCFP1963.org][Guidelines for gender-affirming primary care with trans and non-binary
   patients]], from Sherbourne Health in Ontario, 2019.
diff --git a/JerilynnCPrior1968.org b/JerilynnCPrior1968.org
new file mode 100644
index 0000000..a4a4172
--- /dev/null
+++ b/JerilynnCPrior1968.org
@@ -0,0 +1,2 @@
+#+TITLE: Progesterone is important for transgender women’s therapy—applying evidence for the benefits of progesterone in ciswomen
+#+ROAM_KEY: cite:JerilynnCPrior1968