grav·id 
(grăvĭd)
(grăvĭd)adj.
Carrying developing young or eggs: a gravid uterus; a gravid female.
[Latin gravidus, from gravis, heavy; see gwerə-1 in the Appendix of Indo-European roots.]
gra·vidi·ty (grə-vĭdĭ-tē), gravid·ness n.
gravid·ly adv.