PREGNANCY INTRO
[TITLE] | March 27, 2023
, PREGNANCY INTRO
1 Gestation age......................................................................................................................................5
2 Preterm...............................................................................................................................................5
3 Primigravida........................................................................................................................................5
4 1st trimester <12 weeks......................................................................................................................5
4.1 Formation of organs (organogenesis)....................................................................................................5
4.1.1 CNS - Spinal cord + neural tube - CV...................................................................................................5
4.2 Baby most susceptible to toxins e.g. drugs, alcohol + smoking.............................................................5
4.2.1 Placenta supplies foetus with nutrients + oxygen and removes waste...............................................5
4.2.2 Exposure to toxins can have short term affects e.g. asthma or long term e.g. heart disease.............5
4.3 Conception - 6-9 days for implantation - teratogens can pass from mother to child............................5
4.4 Symptoms - Morning sickness, fatigue, breast tenderness and cravings...............................................6
5 2nd Trimester 13-27............................................................................................................................6
5.1 Most emphasis on growth, by 27 weeks foetus considered viable (reasonable chance of survival).....6
5.2 Symptoms - Fainting/ dizziness..............................................................................................................6
6 3rd Trimester 28-40.............................................................................................................................6
[TITLE] | March 27, 2023
[TITLE] | March 27, 2023
, PREGNANCY INTRO
1 Gestation age......................................................................................................................................5
2 Preterm...............................................................................................................................................5
3 Primigravida........................................................................................................................................5
4 1st trimester <12 weeks......................................................................................................................5
4.1 Formation of organs (organogenesis)....................................................................................................5
4.1.1 CNS - Spinal cord + neural tube - CV...................................................................................................5
4.2 Baby most susceptible to toxins e.g. drugs, alcohol + smoking.............................................................5
4.2.1 Placenta supplies foetus with nutrients + oxygen and removes waste...............................................5
4.2.2 Exposure to toxins can have short term affects e.g. asthma or long term e.g. heart disease.............5
4.3 Conception - 6-9 days for implantation - teratogens can pass from mother to child............................5
4.4 Symptoms - Morning sickness, fatigue, breast tenderness and cravings...............................................6
5 2nd Trimester 13-27............................................................................................................................6
5.1 Most emphasis on growth, by 27 weeks foetus considered viable (reasonable chance of survival).....6
5.2 Symptoms - Fainting/ dizziness..............................................................................................................6
6 3rd Trimester 28-40.............................................................................................................................6
[TITLE] | March 27, 2023