(1) However, when first trimester specimens were analyzed, the direct-product measurements were significantly larger than the corresponding 3H2O assay results.
(2) Little difference exists between the proportion of programs that offer training in first-trimester techniques and the proportion that train in second-trimester techniques.
(3) There were 4 spontaneous first trimester abortions and 21 live-born neonates without major problems related to the treatment or to the maternal disease.
(4) In an effort to understand the regulation of the onset of testosterone formation in the human fetal testis we measured adenylate cyclase activity in response to hCG stimulation in homogenates of fetal testes obtained from first and second trimester human abortuses.
(5) A case of mixed congenital abnormalities in a fetus demonstrated ultrasonographically during the second trimester of pregnancy in an uncontrolled insulin-dependent diabetic mother is presented.
(6) There were two spontaneous abortions, both in the first trimester, which occurred two weeks after the overdose which may be related to the paracetamol.
(7) The following examinations could be proposed: in high risk cases determined before pregnancy, a chorionic villus sampling should be done between the 9th and 11th weeks of gestation; in low risk cases such as advanced maternal age, a first trimester chorionic villus sampling or a second trimester amniocentesis could be chosen; in the case of Down's syndrome, warning signs, for example ultrasonographic or biological parameters, a second trimester placental biopsy to relieve the parents' anxiety; in high risk cases such as ultrasonographic malformations, late placental biopsy or cordocentesis.
(8) Sixteen pregnant patients with pelvic masses detected with ultrasound (US) were studied with magnetic resonance (MR) imaging at 0.35 T. Two patients were in their first trimester, eight in the second, and six in the last.
(9) The results of natural PGs and their analogues by systemic and intrauterine administration for the purposes of postcoital contraception, menstrual regulation, first and second trimester abortion, preoperative dilatation of the cervix, and delivery of patients with death in utero are presented.
(10) Amniotic fluid was retrieved by amniocentesis from 148 women: patients at term with and without labor, patients with preterm labor with and without intraamniotic infection, and women in the second trimester of pregnancy.
(11) It is suggested that arginine vasopressin secretion increases to assist natriuresis following dietary sodium loading in the second trimester of human pregnancy.
(12) Intraamniotic instillation of prostaglandin F2 alpha (PGF2 alpha) is considered by many to be safer than instillation of hypertonic saline for second-trimester abortion.
(13) A particularly marked decrease was found in those cases in which spontaneous mid-trimester abortion occurred.
(14) I report a patient with placental chorioangioma producing third trimester polyhydramnios.
(15) The usefulness of ultrasonography in detecting fetuses with Down syndrome in the second trimester has been the subject of considerable debate during the past 3 years.
(16) In the late 3rd trimester plasma levels of CRH (P less than 0.001), ACTH (P less than 0.02), beta-endorphin (P less than 0.05), cortisol (P less than 0.025), as well as GHRH (P less than 0.002) and human placental lactogen (hPL) (P less than 0.001) were increased in comparison to early 3rd trimester, whereas 3 days after delivery CRH and GHRH became undetectable and those of ACTH and cortisol decreased significantly.
(17) Early pregnancy had little effect on leucocyte ascorbic acid concentrations but values decreased in the second trimester.
(18) Plasma concentrations of thyroxine (T4) and thyroxine-binding globulin (TBG) as well as triiodothyronine uptake (T3U) were measured in 32 proteinuric pre-eclamptic patients and 24 normotensive pregnant women at similar gestations in the third trimester.
(19) EPI levels in the third trimester of pregnancy were slightly higher than in nonpregnant women.
(20) The results indicated significant negative correlations between maternal plasma zinc and albumin-bound zinc concentrations and plasma copper concentration in the third trimester of pregnancy and mid-arm circumference and ponderal index.