Inappropriate institution-referrals and contribution to delays in access to emergency obstetric care.

<p>Inappropriate institution-referrals and contribution to delays in access to emergency obstetric care.</p

Rural public health system for obstetric care in India.

<p>Rural public health system for obstetric care in India.</p

Problem issues identified in institution-referrals for obstetric high-risk or complications.

<p>Problem issues identified in institution-referrals for obstetric high-risk or complications.</p

Summary findings of institution out-referrals for abortion, high-risk pregnancy, or complications in pregnancy/delivery.

<p>Summary findings of institution out-referrals for abortion, high-risk pregnancy, or complications in pregnancy/delivery.</p

Characteristics of studies included in the review.

<p>Characteristics of studies included in the review.</p

PRISMA Flow Diagram for Systematic Review.

<p>PRISMA Flow Diagram for Systematic Review.</p

Quality scores (based on Strobe and Cochrane guidelines) and potential biases.

<p>Quality scores (based on Strobe and Cochrane guidelines) and potential biases.</p

Multivariable logistic regression analysis for risk factors for NDDs^#.

<p>Multivariable logistic regression analysis for risk factors for NDDs<a href="http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.1002615#t005fn001" target="_blank">^#</a>.</p

Background characteristics of study participants.

<p>Background characteristics of study participants.</p

Study recruitment profile.

<p>Study recruitment profile.</p