Assertion: weasel's egg | /r/HasProperty | fertilized
Facets:
Source sentences:
text: May. The gestation period is 30–49 days, but these periods of gestation and birth can be altered because the animal is capable of delayed implantation; the female can breed and the egg is fertilized, but the egg does not attach to the endometrium in the uterus to continue pregnancy until resources are available to maintain the pregnancy and feed the young.
text: Once the egg is fertilized, it undergoes what is known as delayed implantation – development of the embryo stops for the next eight to nine months, after which the egg is implanted in the uterus wall and development begins again.