Different Bleeding Patterns with the Use of Levonorgestrel Intrauterine System: Are They Associated with Changes in Uterine Artery Blood Flow?

Table 2

Power Doppler analysis, endometrial thickness and uterine volume evaluation at baseline and after 6 months follow up. P refers to intragroup analysis.

	Group I (𝑁=8)			Group II (𝑁=16)			Group III (𝑁=6)
	Baseline	6 months	𝑃	Baseline	6 months	𝑃	Baseline	6 months	𝑃
Uterine arteries; Mean PI	1.74±0.49	2.02±0.47	0.15	1.82±0.62	1.73±0.27	0.89	1.76±0.52	2.53±0.33	0.0001
Uterine arteries; Mean RI	0.79±0.06	0.82±0.08	0.27	0.78±0.03	0.83±0.09	0.17	0.77±0.06	0.92±0.09	0.0001
Endom.thickness	5.61±2.89	5.82±1.77	0.81	6.1±3.21	4.2±1.48	0.11	5.72±1.78	7.76±1.17	0.01
Uterine Volume	92.96±30.5	92.56±31.0	0.97	95.2±42.5	94.24±40.6	0.94	98.85±49.1	97.45±38.1	0.96