Which blood values to test when?
The cycle day decides whether your lab result means anything. The free PDF guide covers timing, preparation and the right question for every marker.
- Cycle timing: FSH, LH and estradiol on cycle day 2–3, progesterone mid-luteal.
- 18 markers at a glance – from ferritin and fT3 to ApoB and lipoprotein(a).
- Preparation checklist: fasting, biotin, exercise, infections, estradiol gel and the draw arm.
- Three sentences for your doctor’s appointment.
PeriTrack Insights