When not practicing all the safety measures and especially when not breastfeeding, there IS a statistical increase in risk showing for first several weeks (up to a few months). (babyreference.com)
These cages in which the breeding female spends her entire life, and the puppies» first several weeks of life, are floored with wire mesh to facilitate waste removal and cleanup without regard for the health and wellbeing of either the puppies or their mother.  (animallawcoalition.com)
Sales of the DODOcase were slow in the first several weeks with only a 100 or so orders coming in from the original coupons. (entrepreneur.com)