Efficacy of transvaginal ultrasound-guided local injections of absolute ethanol for ectopic pregnancies with intrauterine implantation sites

Table 1 Patient background

Case	Implantation site	Age, yr	Pregnancies, no.	Live birth, no.		Gestation age at diagnosis	Fetal heartbeat	Blood β-hCG (mIU/mL) at the beginning of treatment	Blood β-hCG (mIU/mL) at the final visit	Local ethanol injections, no.	Total ethanol dose, mL	Treatment period, d
1	Cervix	32	2	0	IVF-ET	Week 5 Day 0	-	17760	< 1.2	3	5	51
2	Cervix	37	1	0	IVF-ET	Week 5 Day 6	-	20795	< 1.2	1	4.8	16
3	Cervix	36	0	0	Spontaneous pregnancy	Week 6 Day 5	-	12585	< 1.2	3	6.8	39
4	Cervix	36	1	1	IVF-ET	Week 6 Day 1	-	2326	< 1.2	2	3	36
5	Cervix	39	0	0	IVF-ET	Week 5 Day 1	-	6480	< 1.2	2	4	19
6	Cervix	35	1	0	IVF-ET	Week 5 Day 2	-	4835	< 1.2	1	3.2	22
7	Cervix	39	1	0	IVF-ET	Week 5 Day 5	+	16346	< 1.2	3	10	39
8	Cervix	41	1	0	IVF-ET	Week 5 Day 3	-	7807	< 1.2	1	2	22
9	Cervix	33	1	1	Spontaneous pregnancy	Week 7 Day 6	+	26930	< 1.2	1	5	21
10	Cervix	37	1	0	IVF-ET	Week 5 Day 3	-	19356	< 1.2	2	4.5	20
11	Fallopian tube interstitium	41	0	0	IVF-ET	Week 8 Day 2	-	2384	< 1.2	4	4.7	28
12	Fallopian tube interstitium	35	3	0	IVF-ET	Week 6 Day 1	-	853	< 1.2	1	0.6	16
13	Fallopian tube interstitium	39	1	0	IVF-ET	Week 5 Day 4	-	2933	< 1.2	3	4	24
14	Fallopian tube interstitium	37	3	0	IVF-ET	Week 7 Day 0	-	1170	< 1.2	2	1.5	26
15	Fallopian tube interstitium	36	0	0	IVF-ET	Week 7 Day 3	-	2198	< 1.2	4	4.9	30
16	Fallopian tube interstitium	25	0	0	Spontaneous pregnancy	Week 12 Day 0	-	2420	< 1.2	2	1.5	26
17	Fallopian tube interstitium	38	2	0	IVF-ET	Week 7 Day 0	-	11147	< 1.2	3	3.6	31
18	Fallopian tube interstitium	33	1	0	Spontaneous pregnancy	Week 5 Day 2	-	6715	< 1.2	3	4.6	45
19	Fallopian tube interstitium	34	0	0	Spontaneous pregnancy	Week 5 Day 1	-	12836	< 1.2	1	1.3	36
20	Fallopian tube interstitium	46	2	1	IVF-ET	Week 5 Day 3	-	32201	< 1.2	3	8	38
21	Cesarean delivery scar	35	1	1	Spontaneous pregnancy	Week 7 Day 1	+	91798	< 1.2	3	12	41

IVF-ET: In vitro fertilization – embryo transfer; hCG: human chorionic gonadotropin.