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cephal(o)-of or pertaining to the head (as a whole) Greek κεφαλή (kephalḗ), the head cephalalgy, hydrocephalus: cerat(o)-of or pertaining to the cornu; a horn Greek κέρας, κερατ-(kéras, kerat-), a horn ceratoid: cerebell(o)-of or pertaining to the cerebellum: Latin cerebellum, little brain cerebellum: cerebr(o)-
Cerebroplacental ratio is a tool used in obstetric ultrasound to predict adverse pregnancy outcome. [1] It is measured by dividing the pulsatility index of the middle cerebral artery of the foetus by the pulsatility index of the umbilical artery of the foetus. A cerebroplacental ratio lower than 1-1.1 in uncomplicated pregnancies is indicative ...
An ultrasound showing an embryo measured to have a crown-rump length of 1.67 cm and estimated to have a gestational age of 8 weeks and 1 day. Crown-rump length (CRL) is the measurement of the length of human embryos and fetuses from the top of the head (crown) to the bottom of the buttocks (rump).
The allocation of a B category does not imply greater safety than C category; Medicines in category D are not absolutely contraindicated during pregnancy (e.g. anticonvulsants) The system, as outlined below, was developed by medical and scientific experts based on available evidence of risks associated with taking particular medicines while ...
During pregnancy, the enlarged abdomen and gravid uterus place additional strain on lumbar muscles and shift the pregnant woman's center of gravity. These postural compensations culminate in an increased load on both lumbar spinal musculature and the sacroiliac ligaments, manifesting as low back pain and/or pelvic girdle pain. [ 13 ]
[1] [6] One small, possibly biased study found that the condition was eventually diagnosed in 45% of outpatients with sudden headache, and 46% of outpatients with thunderclap headache. [1] The average age of onset is 42, but RCVS has been observed in patients aged from 19 months to 70 years. [1] Children are rarely affected. [1]
A cervical pregnancy is an ectopic pregnancy that has implanted in the uterine endocervix. [2] Such a pregnancy typically aborts within the first trimester , however, if it is implanted closer to the uterine cavity – a so-called cervico-isthmic pregnancy – it may continue longer. [ 3 ]
Modern 3D ultrasound images provide greater detail for prenatal diagnosis than the older 2D ultrasound technology. [6] While 3D is popular with parents desiring a prenatal photograph as a keepsake, [7] both 2D and 3D are discouraged by the FDA for non-medical use, [8] but there are no definitive studies linking ultrasound to any adverse medical ...