Take vitamin D - probably at least 4,000 IU daily = 28,000 IU weekly = 96,000 IU monthly = about single 50,000 IU capsule every 2 weeks.

• Low vitamin D is 4X more likely to have preeclampsia in pregnancy – Nov 2010
• All preclampsia items in VitaminDWiki 178 as of April 2013
• Overview of benefits of vitamin D before, during, and after pregnancy
  • the above reference included the following table May 2011

Dose   IU	Cumulative Benefit	Blood level and notes	Co-factors (see list)	Calcium	$*/year
400	+ less infant rickets + 3X less adolescent Schizophrenia + fewer child seizures	<30 ng/ml	Not needed	No effect	$3
2000	+ More likely to get pregnant naturally or via IVF + 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	42 ng/ml	Desirable	< 750 mg	$12
4000	+ 2X fewer pregnancy complications + 2X fewer per-term births	49 ng/ml Test Vitamin D	Must have	< 750 mg	$175
6000	+ probable larger benefits for items listed above + Enough D for breastfed infant + Perhaps prevent 2nd autistic child	Test Vitamin D clinical trials underway	Must have	< 750 mg	$200

• All items in category Pregnancy 922 items
• 2X more preeclampsia when vitamin D less than 30 ng, etc. - meta-analysis March 2013
• Low vitamin D results in severe preeclampsia and low birth weight – Mar 2011
• Overview How Much vitamin D
• Low Cost vitamin D - including liquid and bulk including 50,000 IU

Alternately, L-arginine plus antioxidant vitamins got an absolute risk reduction of preeclampsia in Mexico of 0.17 (17 % ?)

• CLICK HERE for details of Random Controlled Trial May 2011