Lean Management Improves the Process Efficiency of Controlled Ovarian Stimulation Monitoring in IVF Treatment

Table 1

Characteristics of subjects.

Characteristics		Prelean	Postlean
Age	<30	0 (0%)	2 (5%)
	30–35	10 (25%)	8 (20%)
	36–40	8 (20%)	6 (15%)
	>40	2 (5%)	4 (10%)
Fertility	Primary infertility	17 (42.5%)	17 (42.5%)
	Secondary infertility	3 (7.5%)	3 (7.5%)
Total rFSH (IU)a	Mean	2613 ± 536	2573 ± 760
	Max value	3900	4800
	Min value	1800	1575
Follicle diameter (mm)	Mean	20 ± 2	20 ± 2
	Max value	24	22
	Min value	16	16
Clinical indication	Polycystic ovarian syndrome	1	2
	Unexplained infertility	2	3
	Ovarian cyst	6	1
	Sperm abnormality	7	9
	Adenomyosis	1	1
	Endometriosis	5	0
	Diminished ovarian reserve	0	2
	Tubal factor	1	1
	Poor ovarian responder	2	5
	Uterine myoma	0	1
	Serodiscordant couple	1	1
	Antisperm antibodies+	1	1
	Sex selection	1	0

^arFSH IU: recombinant follicle-stimulating hormone/international units. Data presented as the mean ± SD. Patients can have more than one condition.