Previous work in this laboratory revealed that hormone analysis using fecal samples may predict the number of fetuses carried by pregnant ewes at mid- to late gestation. Reliable lambing number prediction is useful to the producer. Using gas chromatography/mass spectrometry the 5α- and 5β-series of pregnanes and selected 4- and...
Published June 1942. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
This study compared the parental attitudes of mothers under 35 years
of age, who are having their first child, called primigravidas, with the
parental attitudes of mothers 35 years old and older, called mature primigravidas, who are having their first child.
Historically, most women in America had to choose between...
The purpose of this study was to investigate changes in
contact, emotional closeness, and aid exchange in the mother-daughter,
relationship during daughter's first pregnancy. According to the
literature reviewed, women increase contact with and become
emotionally closer to their mothers with pregnancy. It appears that
pregnant women have increased feelings...
This research investigated gene expression in the canine placenta during the peripartum period. Previous studies have recognized molecular changes that occur in the placenta around the time of placental release in other species, but no study has looked at gene expression in the late gestation canine placenta. Of particular significance...
The perception of the self as a sexual being is challenged by the
experience of pregnancy. Included in the experience of pregnancy are
issues with perceptions of the self, body image, transition into
motherhood, and reconciliation of the self as a sexual being during
pregnancy. Through a review of the...
The dry, or nonmilking, period late in pregnancy is critical to preparing a dairy cow for the next lactation. Dry cows have special nutritional and management needs.
