«In the subgroup of women with spontaneous
onset of labour and vaginal deliveries,
after controlling for other obstetric and demographic factors, epidural analgesia but not narcotic analgesia was significantly associated with reduced breastfeeding duration (adjusted hazard ratio 1.44, 95 % confidence interval 1.04 - 1.99).»
Swedish researchers evaluated 248 stroke survivors, below age 70 (average mid-sixties), and their spouses at stroke
onset and compared the results with 245 non-stroke
controls for seven years
after the stroke event.