Frontmatter

Articles in the same Issue

1. Frontmatter
2. In Memorian
3. Robert L. Brent, MD, PhD (1927–2021)
4. Review
5. Implications of the vaginal microbiome and potential restorative strategies on maternal health: a narrative review
6. Original Articles – Obstetrics
7. Disorders of placental villous maturation are present in one-third of cases with spontaneous preterm labor
8. Gestational iron deficiency anemia is associated with preterm birth, fetal growth restriction, and postpartum infections
9. Women with high plasma levels of PBDE-47 are at increased risk of preterm birth
10. Racial disparities in recurrent preterm delivery risk: mediation analysis of prenatal care timing
11. Doppler ultrasonography of the uterine artery in correlation with KANET
12. The cumulative impact of parity on the body mass index (BMI) in a non-selected Lower Saxony population
13. The relation between second-trimester placental elasticity and poor obstetric outcomes in low-risk pregnancies
14. Comparison of pregnancy outcomes after second trimester amniocentesis between procedures performed by experts and non-experts
15. Effect of vitamin D3 supplementation during pregnancy on high risk factors — a randomized controlled trial
16. Educating future professionals in perinatal medicine: the attitude of medical and nursing students towards childbirth
17. Original Articles – Fetus
18. Normal values of cardiac axis (CA) measurements in healthy fetuses during the first trimester screening ultrasound
19. Original Articles – Neonates
20. Effects of COVID-19 pandemic on breastfeeding rates in a neonatal intensive care unit
21. Factors associated with extubation failure in very low birth weight infants: a cohort study in the northeast Brazil
22. Perinatal outcome of in vitro fertilization pregnancies in women with polycystic ovary syndrome by pregravid BMI
23. Evaluation of audio-voice guided application for neonatal resuscitation: a prospective, randomized, pilot study
24. Letter to the Editor
25. Systematic screening for SARS-CoV-2 in pregnant women admitted for delivery: not as easy as it sounds