Methods and Timing for Saving Seeds. Always choose the best quality plants, flowers, fruits and vegetables from which to save seeds. Look for disease resistance, vigor, great flavor and productivity. Next year's plants will only be as good as this year's seed. Harvest seeds either:
An anembryonic gestation (also known as a blighted ovum) is a pregnancy in which the very early pregnancy appears normal on an ultrasound scan, but as the pregnancy progresses a visible embryo never develops or develops and is reabsorbed.n anembryonic gestation (also known as a blighted ovum) is a pregnancy in which the very early pregnancy appears normal on an ultrasound scan, but as the pregnancy progresses a visible embryo never develops or develops and is reabsorbed.
The criteria for the diagnosis of a Blighted ovum are: 1  Failure to detect an embryo in a pregnancy sac, which is at least 20 mm in size, through a Transabdominal ultrasound examination. 2  Failure to detect an embryo in a pregnancy sac that is around 18mm or more in size through a Transvaginal ultrasound.