The common infectious which occur is this period are metritis, pyelitis, mastitis, wound infection and respiratory tract infection.
The six-to-eight-week period during which involution lakes place tends to be regarded as a medical non-event - but it is anything but that.
At the time of Halsted, the philosophy of treatment was based on the local nature of the disease.
The feeding of children is the most basic of maternal instincts, but the idea that it is easy is something of which mothers-to-be should be disabused.
Causes range from the physiological to the frankly ominous and it is sometimes difficult to decide who needs further investigation.