Maternal to fetal thyroxine transmission in the human term placenta is limited by inner ring deiodination.

Maternal-Fetal Transfer of Thyroxine in Congenital Hypothyroidism Due to a Total Organification Defect or Thyroid Agenesis

1989 • 783 citations

Maternal and Fetal Thyroid Function

1994 • 687 citations

Human Placenta Is an Active Site of Thyroxine and 3,3',5-Triiodothyronine Tyrosyl Ring Deiodination*

1981 • 142 citations

Placental Transport of Thyroxine

1964 • 105 citations

Studies of Serum Triiodothyronine Concentration in Maternal and Cord Blood: Transfer of Triiodothyronine Across the Human Placenta¹

1969 • 87 citations

Evidence for the Placental Transfer of Tri-Iodothyronine in Human Beings

1967 • 86 citations

Anatomical Distribution of Phenolic and Tyrosyl Ring Iodothyronine Deiodinases in the Nervous System of Normal and Hypothyroid Rats*

1981 • 74 citations

Type II Iodothyronine 5'-Deiodination by Human and Rat Placenta in Vitro*

1984 • 70 citations

THE EFFECT OF MATERNAL THYROID FUNCTION ON FETAL THYROID FUNCTION AND DEVELOPMENT*†

1959 • 68 citations

MARKERS OF PHYSICAL INTEGRITY AND METABOLIC VIABILITY OF THE PERFUSED HUMAN PLACENTAL LOBULE

1988 • 54 citations

Conversion of Thyroxine to Triiodothyronine and Reverse Triiodothyronine in Human Placenta and Fetal Membranes

1980 • 40 citations

TAGGED ISOMERS AND ANALOGUES OF THYROXINE (THEIR TRANSMISSION ACROSS THE HUMAN PLACENTA AND OTHER STUDIES).

1963 • 32 citations

The Effects of Propylthiouracil, Iodothyronines, and Other Agents on Thyroid Hormone Metabolism in Human Placenta*

1984 • 31 citations

Inner-ring deiodination of 3,5,3'-triiodothyronine in the in situ perfused guinea pig placenta.

1985 • 26 citations

Conversion of Thyroxine to 3,3′,5′-Triiodothyronine in the Guinea Pig Placenta: in Vivo Studies*

1983 • 25 citations

Maternal-Fetal T<sub>4</sub> Transfer Does Not Suffice to Prevent the Effects of in utero Hypothyroidism

1993 • 11 citations