J Clin Gynecol Obstet

Journal of Clinical Gynecology and Obstetrics, ISSN 1927-1271 print, 1927-128X online, Open Access

Article copyright, the authors; Journal compilation copyright, J Clin Gynecol Obstet and Elmer Press Inc

Journal website http://www.jcgo.org

Letter to the Editor

Volume 4, Number 2, June 2015, pages 235-236

Outcomes of Breastfeeding in Japanese Women With Flat or Inverted Nipples

Table

**Table 1.** Clinical Characteristics and Outcomes of Breastfeeding of Nulliparous Women With Vaginal or Cesarean Singleton Deliveries at 37 - 41 Weeks’ Gestation
	Normal nipples	Flat nipples	Inverted nipples
*P < 0.01 vs. normal nipples.
Number	461	80	12
Maternal age (years)	31.6 ± 4.2	31.7 ± 4.9	31.7 ± 4.5
Cesarean delivery	132 (28.6%)	30 (37.5%)	3 (25.0%)
Neonatal birth weight < 2,500g	56 (12.1%)	7 (8.8%)	2 (16.7%)
Inability of attachment of the breast	45 (9.8%)	35 (43.8%)*	6 (50.0%)*
Exclusive breastfeeding at 7 days	217 (47.1%)	27 (33.8%)	4 (22.3%)
Exclusive breastfeeding at 30 days	194 (2.1%)	18 (22.5%)	3 (25.0%)