Unnecessary D & Cs.
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Abortion, Spontaneous↗
Biomedical subjects
J G Hooker
Publications and source records attributed to J G Hooker.
The significance of prenatal diagnosis of choroid plexus cysts.
A case is described of the prenatal diagnosis of choroid plexus cysts at 17 week's gestation which persisted beyond 36 weeks but could not be detected after delivery. At birth the child was found to have trisomy 18.
Adult↗
Prenatal diagnosis of pelvic kidney.
A 30-year-old woman had serial ultrasound scans from 28 weeks' gestation which revealed the presence of a cystic area in the fetal pelvis. The 'cyst' remained unchanged until delivery at 41 weeks. Fetal growth and amniotic fluid volume were normal throughout. A pelvic kidney was confirmed at birth. The differential diagnosis and antenatal management of this 'cyst' are discussed.
Adult↗
Chorionic villus sampling in a high-risk population--4 years' experience.
Between August 1982 and July 1986 a total of 163 pregnancies in 136 patients with a high genetic risk have had prenatal diagnosis by chorionic villus sampling. Villi were not obtained in five pregnancies (two of which subsequently miscarried), and 11 fetal losses followed successful sampling (four in pregnancies in which the fetus was shown to be affected). The rate of fetal loss fell with increasing experience of the team. Three sets of twins were all sampled successfully.
Abortion, Spontaneous↗
Is maternal alpha-fetoprotein screening still of value in a low-risk area for neural tube defects?
Estimation of maternal serum alpha-fetoprotein (AFP) was used as a screening method for the detection of neural tube defects (NTDs) in 6344 women over three years. Of 88 (1.4 per cent) who had one or more serum AFP levels equal to, or greater than, 2.5 multiples of the median (MoM) for the relevant gestational age, 43 (0.68 per cent) underwent amniocentesis. There were eight NTDs. Four of these were screened by serum AFP, and all cases of spina bifida had serum AFP levels greater than 3.0 MoM, including one small open defect which was not seen on ultrasound. The other four cases of NTD, which were not screened, were identified by ultrasound. Of 64 singleton pregnancies 32 (50 per cent) had serum AFP levels between 2.5 and 3.0 MoM, and low birthweight (less than or equal to 2500 g) occurred in 29 per cent. Because of improvements in ultrasound techniques and the apparent falling incidence of NTD, the role of serum AFP as the primary screening procedure should be regularly reviewed. Effective screening is dependent on mothers booking early.
Amniocentesis↗