Table 3. Detection of mother-infant monophyletic Bifidobacterium strains among 16 families.

		Mother–infant monophyletic Bifidobacterium strains obtained from mother-infant pair
Mode of delivery	Family No.	B. adolescentis	B. bifidum	B. catenulatum	B. longum subsp. longum	B. pseudocatenulatum
Vaginal delivery	1		•
	2		•
	3	•			•
	4
	5 (A)		•
	5 (B)	•	•
	6		•			•
	7		•			•
	8		•
	9			•	•
	10	•			•
	11		•		•
Cesarean delivery	12
	13
	14
	15
	16

“•” represents that at least one mother-infant monophyletic Bifidobacterium strain was isolated from the indicated family. Mother no. 5 gave birth to twins (A, B).