Eyelid folds are forming. The elbow and wrist are present. A ureter and renal pelvis is present and renal calyces are forming. Arms and legs extend straight forward. The amnion is more circular within the gestational sac.
Heart obtains definitive form.
Ossification of the clavicle - 8 weeks. The fingers are longer and the tips are slightly swollen where touch pads are developing. The hands flex at the wrist and meet over the heart bulge. The neck is forming and the back continues to straighten. The eyelids have almost covered the eyes.