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. 2020 Nov 4:deaa251. doi: 10.1093/humrep/deaa251

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© The Author(s) 2020. Published by Oxford University Press on behalf of European Society of Human Reproduction and Embryology. All rights reserved. For permissions, please email: journals.permissions@oup.com

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Figure 1. — Ultrasound scan frequency during treatment cycles. (A) Proportion of cycles (vertical axis) having a scan on each given day of the cycle (horizontal axis, most scans occur between Days 4 and 9 from stimulation start). n= 2128 cycles. (B) Histogram of the total number of scans for a given cycle. (C) Follicle growth chart for a single patient in the study, with HCG trigger injection administered on cycle Day 14 (11 days from stimulation start). A small horizontal jitter has been added to the data points to improve the visualisation.