The case has sparked deep public divisions.
Meta agreed to change Instagram and Facebook in a settlement resolving a case brought by states that accused the company of designing addictive products for children.
Adam Mosseri, the Meta executive at the helm of Instagram, defended the platform's safety record in testimony Tuesday.
The case has drawn national attention to postpartum psychosis, a rare but serious mental health condition that differs from postpartum depression.
The defense has begun calling witnesses in the emotionally charged trial of Lindsay Clancy.
Reports have emerged of mental health and supply issues aboard the USS Abraham Lincoln, amid a record-setting uninterrupted time at sea of more than 240 days.