Significant fall in progesterone and rise in oestradiol levels in human peripheral plasma before onset of labour

MeSH terms

• Adult
• Animals
• Blood Specimen Collection
• Estradiol / blood*
• Female
• Humans
• Labor, Obstetric*
• Pregnancy*
• Progesterone / blood*
• Progesterone / pharmacology
• Progesterone / physiology
• Radioimmunoassay
• Sheep / physiology
• Time Factors
• Uterus / drug effects