1. Modified natural cycle in in vitro fertilization
Jacqueline R. Ho, M.D., Richard J. Paulson, M.D. 
Fertility and Sterility 
Volume 108, Issue 4, Pages (October 2017)
DOI: /j.fertnstert
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2. Figure 1
Typical modified natural (mnIVF) cycle. Following baseline evaluation, serial monitoring begins about 4 days prior to the anticipated day of natural ovulation.
Fertility and Sterility  , DOI: ( /j.fertnstert )
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