Rectal ectopic pregnancy: A case report.

Introduction: Abdominal pregnancy is an extremely rare form of ectopic gestation, and it presents with pelvic pain, severe bleeding, or remain asymptomatic. Its Risk factors include previous ectopic pregnancies, cesarean section, smoking, pelvic inflammatory disease, using intrauterine devices (IUD), and assisted reproductive techniques (ARTs). Accurate diagnosis of rectal ectopic pregnancy remains challenging due to the lack of well-established diagnostic criteria.

Sight of conspecific images induces changes in neurochemistry in zebrafish.

Zebrafish are gaining popularity in behavioural brain research as this species combines practical simplicity with system complexity. The dopaminergic system has been thoroughly investigated using mammals. Dopamine plays important roles in motor function and reward.