American College of Nurse‐Midwives continues to state that 600 IU Vitamin D is enough – March 2019

"Women younger than 70 years of age and women who are pregnant or breastfeeding need to get 600 IU (International Units) of vitamin D daily"
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Overview Pregnancy and vitamin D has the following summary

IU Cumulative Benefit Blood level CofactorsCalcium $*/month
200 Better bones for mom
with 600 mg of Calcium
6 ng/ml increase Not needed No effect $0.10
400 Less Rickets (but not zero with 400 IU)
3X less adolescent Schizophrenia
Fewer child seizures
20-30 ng/ml Not needed No effect $0.20
2000 2X More likely to get pregnant naturally/IVF
2X Fewer dental problems with pregnancy
8X less diabetes
4X fewer C-sections (>37 ng)
4X less preeclampsia (40 ng vs 10 ng)
5X less child asthma
2X fewer language problems age 5
42 ng/ml Desirable < 750 mg $1
4000 2X fewer pregnancy complications
2X fewer pre-term births
49 ng/ml Should have
cofactors
< 750 mg $3
6000 Probable: larger benefits for above items
Just enough D for breastfed infant
More maternal and infant weight
Should have
cofactors
< 750 mg $4

Pregnancy category starts with

884 items in Pregnancy category

 - see also


Healthy pregnancies need lots of vitamin D has the following summary

Problem
Vit. D
Reduces
Evidence
0. Chance of not conceiving3.4 times Observe
1. Miscarriage 2.5 times Observe
2. Pre-eclampsia 3.6 timesRCT
3. Gestational Diabetes 3 times RCT
4. Good 2nd trimester sleep quality 3.5 times Observe
5. Premature birth 2 times RCT
6. C-section - unplanned 1.6 timesObserve
     Stillbirth - OMEGA-3 4 timesRCT - Omega-3
7. Depression AFTER pregnancy 1.4 times RCT
8. Small for Gestational Age 1.6 times meta-analysis
9. Infant height, weight, head size
     within normal limits
RCT
10. Childhood Wheezing 1.3 times RCT
11. Additional child is Autistic 4 times Intervention
12.Young adult Multiple Sclerosis 1.9 timesObserve
13. Preeclampsia in young adult 3.5 timesRCT
14. Good motor skills @ age 31.4 times Observe
15. Childhood Mite allergy 5 times RCT
16. Childhood Respiratory Tract visits 2.5 times RCT

RCT = Randomized Controlled Trial


Women category starts with the following


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