1. The associations between parity, other reproductive factors and cartilage in women aged 50–80years 
S. Wei, A. Venn, C. Ding, J. Martel-Pelletier, J.-P. Pelletier, F. Abram, F. Cicuttini, G. Jones 
Osteoarthritis and Cartilage 
Volume 19, Issue 11, Pages (November 2011)
DOI: /j.joca
Copyright © 2011 Osteoarthritis Research Society International Terms and Conditions

2. Fig. 1
Compartment specific cartilage volume by parity. P value adjusted for age, BMI, smoking, and use of OC and HRT. Group 1=nulliparous. Group 2=one to two children. Group 3=three to four children. Group 4=five or more children.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2011 Osteoarthritis Research Society International Terms and Conditions

3. Fig. 2
Compartment specific cartilage defects by parity. P value was adjusted for age, BMI, smoking and use of OC and HRT.
Osteoarthritis and Cartilage  , DOI: ( /j.joca )
Copyright © 2011 Osteoarthritis Research Society International Terms and Conditions