Sexual dimorphism for length of gestation in categories.

<p>Births in South Australia 1981–2011. Marked points represent significant RR M/F.</p

Sexual dimorphism for PIHD by length of gestation in categories.

<p>Births in South Australia 1981–2011. Marked points represent significant RR M/F.</p

Sexual dimorphism for iatrogenic birth by length of gestation.

<p>Births in South Australia 1981–2011. Marked points represent significant RR M/F.</p

Diabetes and hypertensive disorders according to fetal sex.

<p>Diabetes and hypertensive disorders according to fetal sex.</p

Schematic depiction of pregnancy course and options for calculating the gestational age-specific disease rate in 10 hypothetical pregnancies.

<p><i>Traditional approach</i>: Number of affected births in a gestational group divided by the number of total births within that gestation group = 1/3. <i>Fetuses at risk approach</i>: Number of affected births at gestational group divided by the number of fetuses at risk for a disease at that gestation group = 1/5. Modified after Joseph et al(24).</p

Sexual dimorphism for spontaneous birth by length of gestation.

<p>Births in South Australia 1981–2011. Marked points represent significant RR M/F.</p

Sexual dimorphism for iatrogenic birth by length of gestation in categories.

<p>Sexual dimorphism for iatrogenic birth by length of gestation in categories.</p

Sexual dimorphism for PIHD by length of gestation in categories.

<p>Sexual dimorphism for PIHD by length of gestation in categories.</p

NGDR registration in days prior to and after baby birth for 2012 and 2013 NGDR—national gestational diabetes register.

<p>NGDR registration in days prior to and after baby birth for 2012 and 2013 NGDR—national gestational diabetes register.</p

GDM screening and follow-up rates.

<p>GDM screening and follow-up rates.</p