Endometrial thickness is not independent of luteal phase day in a rural Polish population
CLANCY K, ELLISON P, JASIENSKA G, BRIBIESCAS R. Endometrial thickness is not independent of luteal phase day in a rural Polish population. Anthropological Science 2009, 117: 157. DOI: 10.1537/ase.090130.Peer-Reviewed Original ResearchEndometrial thicknessEndometrial morphologyLower C-peptide concentrationsEgg donor cyclesLuteal phase functionC-peptide concentrationsNormo-ovulatory womenWindow of implantationLuteal phase lengthPolish womenEarly pregnancy successDonor cyclesMenstrual cycleSpontaneous cyclesLuteal phaseCycle dayPregnancy successProgesterone concentrationsEndometriumReproductive functionHigher energy expenditurePolish populationEnergy expenditureWomenLater age