A. T. Letchworth

Possible placental origin of ACTH in normal human pregnancy

Lesley Rees, C. W. BURKE, T. Chard et al. · Nature · 1975 · 220 citations

Developmental Biology, Fertility, Placental Development +10

CONCENTRATIONS OF PREGNANCY-SPECIFIC β1-GLYCOPROTEIN IN MATERNAL BLOOD IN NORMAL PREGNANCY AND IN INTRAUTERINE GROWTH RETARDATION

Y. B. Gordon, D Jeffrey, J.G. Grudzinskas et al. · The Lancet · 1977 · 104 citations

Embryology, Developmental Biology, Gynecology +6

PLACENTAL LACTOGEN LEVELS AS A SCREENING TEST FOR FETAL DISTRESS AND NEONATAL ASPHYXIA

A. T. Letchworth, T. Chard · The Lancet · 1972 · 95 citations

Placental Lactogen Levels, Neonatology, Lactation +13

A RAPID SEMI‐AUTOMATED METHOD FOR THE MEASUREMENT OF HUMAN CHORTONIC SOMATOMAMMOTROPHIN. THE NORMAL RANGE IN THE THIRD TRIMESTER AND ITS RELATION TO FETAL WEIGHT

A. T. Letchworth, R. J. Boardman, Christine Bristow et al. · BJOG An International Journal of Obstetrics & Gynaecology · 1971 · 87 citations

Reproductive Health, Fetal Medicine, Gynecology +19

CIRCULATING LEVELS OF HUMAN CHORIONIC SOMATOMAMMOTROPHIN IN LATE PREGNANCY: DISAPPEARANCE FROM THE CIRCULATION AFTER DELIVERY, VARIATION DURING LABOUR, AND CIRCADIAN VARIATION

C Pavlou, T. Chard, A. T. Letchworth · BJOG An International Journal of Obstetrics & Gynaecology · 1972 · 49 citations

Fertility, Gynecology, High-risk Pregnancy +19