Twin pregnancy Twin pregnancy account for approximately 3% of live births in the United States. In the absence of assisted reproductive technology, dizygotic twins (when

Second trimester pregnancy The second part of your pregnancy is the second trimester. Second trimester begins with week 13 of your pregnancy. The 2nd trimester

Third trimester pregnancy The final part of your pregnancy is the third trimester. Third trimester begins with week 28 of your pregnancy. The third trimester

First trimester pregnancy Trimester means 3 months. The first trimester of pregnancy is defined as the first three months (the first 12 weeks) of pregnancy

Thumb sucking Thumb sucking is one of the most common habits of children ((Modified Bluegrass Appliance: A Nonpunitive Therapy for Thumb Sucking in Pediatric Patients—A

Meningococcal infections Meningococcal infection refers to any illness caused by Gram-negative aerobic diplococcus bacteria called Neisseria meningitidis, also known as meningococcus. Neisseria meningitidis (meningococcus) has a

What is a pilonidal cyst The pilonidal cyst an abnormal pocket in the skin that usually contains hair and skin debris due to a granulomatous

Hemifacial microsomia Hemifacial microsomia also called craniofacial microsomia, first and second branchial arch anomaly, branchial arch syndrome, facioauriculovertebral syndrome, oculoauriculovertebral spectrum, or lateral facial dysplasia,

Tibial torsion Tibial torsion is an internal or medial rotation of the shin bone (the tibia bone that is located between the knee and the

What is rumination syndrome Rumination syndrome is a condition in which people repeatedly and unintentionally spit up (regurgitate) undigested or partially digested food from the