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Fig. 1 | BMC Pregnancy and Childbirth

Fig. 1

From: Does endometrial scratching increase the rate of spontaneous conception in couples with unexplained infertility and a good prognosis (Hunault > 30%)? Study protocol of the SCRaTCH-OFO trial: a randomized controlled trial

Fig. 1

Study flowchart. LH, luteinizing hormone. LN2, liquid nitrogen. UMCU, University Medical Centre Utrecht. IUI, intrauterine insemination. IVF, in vitro fertilization. EGP, endometrial genetic profile. The boxes in pink apply to the nested cohort study

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