But historically, there have always been men that struck fear in the hearts of the population, guys like the Oklahoma City Bombers, Timothy McVeigh and Terry Nichols, Charles Manson, Adolph Hitler and yes, even the Zodiac Killer, whom Ted Cruz seems to remind the internet of.
Preterm labor: Week 23 to end of Week 28. The fetusâ eyes start forming from around Week 23 and is completely formed sometime around Week 28. If the baby is delivered before Week 28, the retina is not yet completely formed.
The cause of preterm birth is often not known. Risk factors include diabetes, high blood pressure, being pregnant with more than one baby, being either obese or underweight, a number of vaginal infections, tobacco smoking, and psychological stress, among others.