tag:blogger.com,1999:blog-252481372011-04-29T01:29:08.022-07:00Dr.Krishnamurthyhttp://www.blogger.com/profile/04494154485959827637noreply@blogger.comBlogger11100tag:blogger.com,1999:blog-25248137.post-1144003506208039202006-04-02T11:42:00.000-07:002006-04-02T11:45:06.216-07:00<strong><span style="color:#3333ff;">Intrauterine landmarks</span></strong> (--by Dr.ANITA Dhanrajani )<br />(1) USG Evidence of pregnancy (sac and fetal pole)==4th or 5th wk.<br /><br />(2) Heart sounds first heard==8 to 10 wk Gest.age with a Doppler ultrasound device<br />&amp; 18 to 20 wk gest.age with a stethoscope.<br /><br />(3) Gender can be distinguished==10 weeks.<br /><br />(4) Breathing movements==15-18 weeks.<br /><br />(5) Swallowing movements==15-18 weeks.<br /><br /><span style="color:#ff0000;"><strong>Imp age landmarks in a child</strong><br /></span>(1) Adult haemoglobin production starts/<br />the switch over of fetal Hb. to adult haemoglobin production starts==16-20weeks of gestation.<br /><br />(2) Surfactant production starts==22 to 28 weeks gestation.<br /><br />(3) Surfactant production reaches maturity levels==34 to 35 wk gestation.<br /><br />(4) Foramen ovale- functional closure==At birth.<br /><br />(5) Taste perception develops= at birth.<br /><br />(6) Newborn looses 10% body weight==1st week.<br /><br />(7) Regains by==10th day.<br /><br />(8) Adult haemoglobin is equal to fetal ==2 months.<br /><br />(9) Post fontanelle closes==3 mths.<br /><br />(10) Switch over of fetal Hb. to adult haemoglobin production completed ==6-12 mths postnatally.<br /><br />(11) Foramen ovale- anatomical closure==1 year to 23 months after birth.<br /><br />(12) Ant fontanelle closes==18 months.<br /><br />(13) Handedness develops==2 years.<br /><br />(14) Abstract thinking ==3 years.<br /><br />(15) Decision making ==3 years.<br /><br />(16) All milk teeth erupted by= 2 years.<br /><br />(17) Visual acuity attained to adult==7 years.<br /><br />(18) For lungs maturity== L/S ratio should be > 2:1...<div class="blogger-post-footer"><img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/25248137-114400350620803920?l=pgmeepediatricsnotes.blogspot.com' alt='' /></div>Dr.Krishnamurthyhttp://www.blogger.com/profile/04494154485959827637noreply@blogger.com0