The rest end prematurely, either in early gestation or by miscarriage.

The data suggest that optimal outcome for the fetus can be achieved only when maternal phenylalanine concentrations are close to normal from early gestation.

Male development can only occur when the fetal testis secretes key hormones at a critical period in early gestation.

Consequently, some groups of gilts are not fully susceptible to infection and dissemination of virus until either shortly before conception or during early gestation.

In typical prenatal development, sexual organs originate from a common anlage anatomy during early gestation and differentiate into male or female variations.

During early gestation (as early as 4 weeks) the lingual frenulum serves as a guide for the forward growth of the tongue.

Disturbed neuronal migration during early gestation.

Vanaerts et al. [ 27 ] demonstrated that high concentrations of homocysteine are associated with embryotoxicity during early gestation in rats.

Detection of ectopic pregnancy in early gestation has been achieved mainly due to enhanced diagnostic capability.

Overfeeding the pregnant mare, particularly during early gestation, should be avoided, as excess weight may contribute to difficulties foaling or fetal/foal related problems.