Table 2

Prevalence of self-reported chronic illness by type of infertility

	Female		Male		Combined		Unexplained		Total
	n	Per cent	n	Per cent	n	Per cent	n	Per cent	n	Per cent
	464	100	323	100	79	100	340	100	1206	100
Chronic illness
Dermatological	4	0.9	0	0.0	1	1.3	2	5.9	7	0.6
Congenital malformations or chromosomal abnormalities	5	1.1	1	0.3	1	1.3		5.9	9	0.7
Pulmonary	22	4.7	12	3.7	3	3.8	15	4.4	52	4.3
Asthma	20		12		2		15		49
Other	2		0		1		0		3
Gastrointestinal	13	2.8	3	0.9	2	2.6	14	4.1	32	2.7
Inflammatory bowel disease	6		1		1		7		15
Irritable bowel syndrome	1		0		1		5		7
Coeliac disease	4		0		0		1		5
Other	2		2		0		1		5
Psychiatric	13	2.8	9	2.8	2	2.6	6	1.8	31	2.6
Depression	11	6	1	3	21
Other	3	3	1	3	10
Endocrinological	22	4.7	14	4.3	10	7.9	18	5.3	64	5.3
Hypothyroidism	12		6		4		12		34
Other thyroid disease	2		0		1		2		5
Diabetes	2		6		2		3		13
Obesitas	2		1		1		0		4
Hypertension	2		1		1		0		4
Hyperprolactinaemia	2		0		1		1		4
Gynaecological	79	17.0	2	0.6	8	10.1	3	0.9	92	7.6
Endometriosis	76		2*		8		3*		89
Other	3		0		0		0		3
Neurological	8	1.7	6	1.9	1	1.3	6	1.8	21	1.7
Multiple sclerosis	2		1		0		1		4
Epilepsy	4		2		0		0		6
Migraine	2		2		1		5		10
Other	0		1		0		0		1
Rheumatological disease	2	0.4	1	0.3	1	1.3	7	2.1	11	0.9
Fibromyalgia	1	0.2	2	0.6	0	0.0	1	0.3	4	0.3
Muscle and joint dysfunctions	5	1.1	4	1.2	1	1.3	2	0.6	12	1.0
Other symptom, disorder or previous operations	6	1.3	7	2.2	2	2.6	10	3.4	25	2.1

*The responsible physician either did not confirm the diagnosis or did not believe it to be a contributing factor to the infertility.