Crown rump length Crown rump length (CRL) is the length of the embryo or fetus from the top of its head to bottom of the

Decidua Decidua is the term for the modified mucosal lining of the uterus (modified endometrium) during a pregnancy, which forms the maternal part of the

Echogenic intracardiac focus Echogenic intracardiac focus is a small bright spot seen inside the baby’s heart chambers on a routine fetal heart ultrasound exam ((Echogenic

Fetal heart rate A normal fetal heart rate is between 110 to 160 beats per minute (bpm) in the in utero period ((Pildner von Steinburg

Fundal height Fundal height is generally defined as the distance from the pubic bone to the top of the uterus measured in centimeters. After 20

Perineal tear Perineal tear is a spontaneous (unintended) tear in the perineum, which is the area between the vagina and the rectum. Your perineum may

Chadwick sign Chadwick sign is a bluish discoloration of the cervix, vagina and vulva caused by venous congestion. Chadwick's sign can be observed as early

Monoarthritis Monoarthritis refers to inflammation (arthritis) of one joint with the clinical presentation of pain or swelling in a single joint ((Gorn AH, Brahn E. Monoarticular

Periosteal reaction Periosteal reaction also known as periostitis, periosteitis or periosteal new bone formation, is a non specific radiographic finding that occurs with periosteal irritation can result

Overlap syndrome An overlap syndrome is an autoimmune disease in which the patient presents with symptoms of two or more diseases ((Overlap syndromes and mixed