Table 3.

Logistic regression analysis of the associations of demographic and clinical variables with pregnancy outcomes after PGT-A in 709 couples with prior pregnancy failures

Variables	Implantation			Early miscarriage			Live birth
	P	aOR	95%CI	P	aOR	95%CI	P	aOR	95%CI
Age	0.09	0.95	0.90–1.01	0.17	0.95	0.88–1.02	0.34	0.98	0.93–1.03
BMI	0.38	1.02	0.97–1.08	0.07	1.07	0.99–1.14	0.90	1.00	0.96–1.05
AMH	0.03*	1.06	1.01–1.13	0.81	0.99	0.92–1.06	0.07	1.05	0.99–1.10
Ovarian stimulation protocols
Long									–
Antagonist	0.82	0.94	0.54–1.63	0.54	1.26	0.59–2.70	0.50	0.84	0.51–1.38
Short	0.96	0.99	0.65–1.52	0.93	0.97	0.51–1.85	0.67	0.92	0.62–1.36
Ultra-long	0.68	0.82	0.32–2.11	0.67	0.71	0.15–3.46	0.65	0.82	0.34–1.96
Others	0.26	0.51	0.16–1.64	0.91	0.88	0.10–7.55	0.29	0.54	0.17–1.7
Prior live birth	0.71	1.10	0.68–1.79	0.42	1.33	0.67–2.68	0.62	1.12	0.72–1.76
IF
≤ 2									–
3	0.23	0.66	0.34–1.30	0.70	0.74	0.16–3.47	0.62	0.85	0.44–1.64
4	0.54	1.30	0.56–3.01	0.19	2.27	0.66–7.76	0.62	0.83	0.40–1.73
≥ 5	0.65	0.82	0.36–1.90	0.09	2.99	0.84–10.73	0.28	0.65	0.30–1.42
BPL
≤ 1									–
2–3	0.55	0.83	0.45–1.53	0.37	1.58	0.59–4.25	0.32	0.75	0.43–1.32
≥ 4	0.83	1.14	0.35–3.67	0.35	2.17	0.43–10.92	0.53	0.72	0.27–1.97
EM
≤ 1									–
2	0.91	1.03	0.60–1.77	0.22	1.72	0.725–4.1	0.65	0.89	0.55–1.46
3	0.91	1.04	0.54–2.00	0.07	2.51	0.95–6.64	0.29	0.73	0.41–1.31
≥ 4	0.69	1.18	0.51–2.74	0.001*	6.49	2.17–19.46	0.120	0.56	0.26–1.17
Prior LM	0.90	1.05	0.51–2.18	0.007*	3.16	1.36–7.35	0.024*	0.48	0.25–0.91
No. of prior intrauterine operations
≤ 1									–
2	0.49	1.19	0.73–1.95	0.55	1.24	0.62–2.50	0.58	1.13	0.73–1.76
3	0.90	1.04	0.54–2.02	0.68	0.82	0.32–2.13	0.79	1.08	0.60–1.95
≥ 4	0.06	0.50	0.25–1.01	0.73	0.85	0.33–2.18	0.038*	0.51	0.27–0.96

IF implantation failure, BPL biochemical pregnancy loss, EM early miscarriage, LM late miscarriage, aOR adjusted odds ratio

*Significant difference