The “fourth trimester” refers to as the first three months after childbirth, when both the baby and the new parents are adjusting to life.
After birth, attention often shifts primarily to the baby, which can lead to parents—especially mothers—neglecting their own health. Many new mothers have minimal contact with healthcare providers during this time, despite it being a period when support is most needed. 

Physical Recovery:
No matter how the baby is delivered (vaginally, via cesarean, etc.), the body requires time and care to heal from childbirth.

Caring for a Newborn:
Newborns require constant attention, from feeding and sleeping to crying and bathing. These round-the-clock needs can be overwhelming and time-consuming.

Sleep and Exhaustion:
Getting rest may feel rare, especially if your baby only sleeps when held. This often leads to disrupted and inconsistent sleep patterns for both parents and other family members.

Emotional and Mental Health:
Welcoming a baby brings significant emotional, hormonal, and social changes. New parents may feel overwhelmed, exhausted, or even sad or depressed. Adjusting to parenthood can bring a mix of emotions, especially as life changes drastically from what it was before the baby arrived.