Question

What is the range of endometrial thickness during the secretory phase?

Options

• 1 mm

• 5–10 mm

• 10–15 mm

• 2–5 mm

Answer 1

During the secretory phase, endometrial thickness ranges from 5–10 mm. This significant thickening, along with increased vascularity and glandular activity, is essential for preparing the uterus for potential embryo implantation.