Retinal Vascular Changes during the Menstrual Cycle Detected with Optical Coherence Tomography Angiography

Table 2

FAZ and SCP-PD OCTA parameters measured during the menstrual cycle.

Parameter	Mean	SD	SE^b
FAZ area (mm2)
EFP	0.32	0.12	0.02	0.34
OVP	0.33	0.12	0.01
LP	0.32	0.12	0.01
SCP-PD (%)
Whole
EFP	46.30	2.81	0.36	0.79
OVP	46.26	2.48	0.31
LP	46.51	3.16	0.40
Parafovea
EFP	48.94	3.83	0.49	0.74
OVP	49.09	3.01	0.38
LP	49.35	3.61	0.46
Fovea
EFP	16.04	5.63	0.71	0.30
OVP	16.53	5.60	0.71
LP	16.58	5.59	0.71
Temporal
EFP	47.30	3.49	0.44	0.41
OVP	46.68	4.30	0.55
LP	47.50	3.61	0.46
Nasal
EFP	47.79	4.59	0.58	0.67
OVP	48.37	3.43	0.44
LP	48.14	4.79	0.61
Superior
EFP	50.65	4.14	0.53	0.65
OVP	50.89	2.86	0.36
LP	51.13	3.73	0.47
Inferior
EFP	49.98	4.65	0.59	0.76
OVP	49.97	3.98	0.51
LP	50.42	3.83	0.49

SD: standard deviation, SE^b: standard error, FAZ: foveal avascular zone, SCP: superficial retinal capillary plexus, PD: perfusion density, EFP: early follicular phase, OVP: ovulatory phase, LP: luteal phase.