TABLE 1.

Study population cycle comparison by number of years trying to conceive.

	0–1 year	1–2 years	2–3 years	3–4 years	4–5 years	5–6 years	6–7 years	>7 years	Not actively trying	Total
Number of cycles	14	64	39	20	22	12	22	4	8	205
Average cycle length	35.5	37.0	35.3	35.7	36.4	33.2	49.0	99.8	47.1	39.1
Median cycle length	33.5	32.0	30.0	32.0	30.0	31.5	29.5	43.5	40.0	32.0
Std Dev cycle length	15.6	17.3	15.8	16.4	17.2	11.3	59.2	119.4	25.6	30.1
Upper CI 95%	43.7	41.2	40.2	42.9	43.6	39.5	73.8	216.7	64.9	43.2
Lower CI 95%	27.3	32.8	30.3	28.5	29.2	26.8	24.3	−17.2	29.4	34.9
CI	8.2	4.2	5.0	7.2	7.2	6.4	24.7	117.0	17.7	4.1