HD FS 229 Lecture Notes - Lecture 10: Amniotic Fluid, Prenatal Perception, Cumin

• School: PSU
• Department: Human Development and Family Studies
• Course: HD FS 229
• Professor: Sarah Kollat

Document Summary

Hold head up- 6 weeks old average (3 weeks-4 months: we need to support their heads when holding them before this point. Life self up by arms- 2 months average (3 weeks-4 months) Rolls over (back to side)- 4 months (2-7 months: allows infant to change their viewpoint and focus; explore independently. Crawls- 7 months (5-11 months: shift in parent-child relationship; parent has to start disciplining terrible twos . Pulls to stand- 8 months (5-12 months) Cruises- 9 months (7-15 months: learning how to balance on two things; grabs onto things for support. Walks alone- about 1 year (9-17 months: around the first birthday. Amniocentesis: insert needle into the womb to extract fluid. We test the fluid for numerous things. We also see the fetus" reaction to the needle. Touch: one of the earliest to emerge, 7-8 weeks after conception the embryo can perceive touch. Around lips first: trends of development. Soles of feet: last to develop.