Fig. 1From: Clinical pregnancy rate for frozen embryo transfer with HRT: a randomized controlled pilot study comparing 1 week versus 2 weeks of oestradiol primingStudy design flowchart. E2 (oestradiol), P (progesterone), ET (endometrial thickness), FSH (follicular stimulating hormone), LH (luteinizing hormone), FET (frozen embryo tranfer)Back to article page