Which of the following best describes the 'baby blues'?

The description of 'baby blues' as affecting 60-80% of new mothers and generally lasting from 2 days to 2 weeks is indeed accurate. The baby blues typically occur shortly after childbirth and are characterized by emotional fluctuations such as sadness, anxiety, and irritability. This condition results from the significant hormonal changes, coupled with the stress of adjusting to motherhood and the new responsibilities involved. While it can be distressing, it is considered a common and temporary experience that does not usually require medical intervention.

In contrast to the other options, 'baby blues' does not typically result in low self-esteem or necessitate medical treatment, nor is it exclusive to first-time mothers; many experienced mothers can also go through this condition. Furthermore, while extreme mood swings and crying fits may occur, these are not the sole characteristics; the emotional changes are part of a broader range of mild symptoms rather than a defined set of behaviors. Hence, the understanding of the baby blues encompasses a wider range of emotional responses that are often short-lived and self-resolving.