Table 3. [Potential Prenatal Influences on TID Risk]. - Endotext

Pre-natal or intrauterine exposure	Relative risk to offspring	Reference
Maternal age	Inconsistent data	(44-46)
Birth weight > 2 SD above norm (~4000g)	Inconsistent data	(47-51)
Birth weight < 2 SD below norm (~2500g)	Inconsistent data	(49-51)
Birth order: second and later borns	Inconsistent data	(46, 52, 53)
Birth interval < 3 years	Inconsistent data	(46, 54)
Caesarean delivery	Inconsistent data	(51, 55, 56)
Pre-eclampsia	Inconsistent data	(51, 57)
Pre-term delivery (<37 weeks gestation)	Inconsistent data	(51, 58)
Maternal vitamin D supplementation	Inconsistent data	(59-62)
Maternal antibiotic use	No association	(53, 63)
maternal BMI/pregnancy weight gain	No association	(51, 64)
Maternal omega 3 fatty acid supplementation	No association	(60, 65, 66)

Pre-natal or intrauterine exposure

Relative risk to offspring

Reference

Maternal age

Inconsistent data

Birth weight > 2 SD above norm (~4000g)

Inconsistent data

Birth weight < 2 SD below norm (~2500g)

Inconsistent data

Birth order: second and later borns

Inconsistent data

Birth interval < 3 years

Inconsistent data

Caesarean delivery

Inconsistent data

Pre-eclampsia

Inconsistent data

Pre-term delivery (<37 weeks gestation)

Inconsistent data

Maternal vitamin D supplementation

Inconsistent data

Maternal antibiotic use

No association

maternal BMI/pregnancy weight gain

No association

Maternal omega 3 fatty acid supplementation

No association

Endotext [Internet].

Feingold KR, Anawalt B, Blackman MR, et al., editors.

South Dartmouth (MA): MDText.com, Inc.; 2000-.

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