Table 1.

Clinical Characteristics of Patients at Time of Laparoscopy

	Number of subjects	Age (Mean ± SD)	Number of subjects by cycle phase
				Proliferative	Secretory
Controls	39	35.6 ± 5.2	18	21
Endometriosis (total)	54	31.0 ± 5.5	22	32
Stage I	23	30.1 ± 6.3	10	13
Stage II	16	30.8 ± 4.7	6	10
Stage III–IV	15	32.7 ± 5.0	6	9
Fertile	24	30.6 ± 6.9	8	16
Infertile	30	31.4 ± 4.2	14	16