BackgroundTransmasculine individuals are people who were assigned as female at birth, but identify on the male side of the gender spectrum. They might choose to use and engage their bodies to be pregnant, birth a baby, and chestfeed. This study asked an open research question, “What are the experiences of transmasculine individuals with pregnancy, birthing, and feeding their newborns?”MethodsParticipants who self-identified as transmasculine and had experienced or were experiencing pregnancy, birth, and infant feeding were recruited through the internet and interviewed. Interviews were transcribed verbatim. We used interpretive description methodology to analyze the data. Our analysis was guided by our awareness of concepts and history important to the transgender community.ResultsOut of 22 participants, 16 chose to chestfeed for some period of time, four participants did not attempt chestfeeding, and two had not reached the point of infant feeding (i.e., were still pregnant or had a miscarriage). Nine of the 22 study participants had chest masculinization surgery before conceiving their babies. Six participants had the surgery after their children were born, five desired the surgery in the future, and two did not want it at all.Chest care, lactation, and chestfeeding in the context of being a transgender person are reported in this paper. The participants’ experiences of gender dysphoria, chest masculinization surgery before pregnancy or after weaning, accessing lactation care as a transmasculine person, and the question of restarting testosterone emerged as data. We present the participants’ experiences in a chronological pattern with the categories of before pregnancy, pregnancy, postpartum (6 weeks post birth), and later stage (beyond 6 weeks).ConclusionsThe majority of participants chose to chestfeed while some did not due to physical or mental health reasons. Care providers should communicate an understanding of gender dysphoria and transgender identities in order to build patient trust and provide competent care. Further, health care providers need to be knowledgeable about lactation and chest care following chest masculinization surgery and during binding, regardless of the chosen feeding method and through all stages: before pregnancy, during pregnancy, postpartum, and afterward.Electronic supplementary materialThe online version of this article (doi:10.1186/s12884-016-0907-y) contains supplementary material, which is available to authorized users.

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BackgroundThe aim of this paper is to examine how breastfeeding is defined for research purposes.DiscussionCurrent breastfeeding definitions focus on the amount of breast milk an infant receives and do not encompass how a baby is fed. Our concerns are that key variables are not measured when mothers are pumping or expressing their milk and bottle feeding. It seems the breastfeeding relationship is not considered in the definition.ConclusionWhile we appreciate the implications of full versus partial breastfeeding in research studies, we also believe the method of infant feeding to be significant. Researchers should develop new definitions.

BackgroundNewborn weight measurements are used as a key indicator of breastfeeding adequacy. The purpose of this study was to explore non-feeding factors that might be related to newborn weight loss. The relationship between the intravenous fluids women receive during parturition (the act of giving birth, including time in labour or prior to a caesarean section) and their newborn's weight loss during the first 72 hours postpartum was the primary interest.MethodsIn this observational cohort study, we collected data about maternal oral and IV fluids during labour or before a caesarean section. Participants (n = 109) weighed their newborns every 12 hours for the first three days then daily to Day 14, and they weighed neonatal output (voids and stools) for three days.ResultsAt 60 hours (nadir), mean newborn weight loss was 6.57% (SD 2.51; n = 96, range 1.83-13.06%). When groups, based on maternal fluids, were compared (≤1200 mls [n = 21] versus > 1200 [n = 53]), newborns lost 5.51% versus 6.93% (p = 0.03), respectively. For the first 24 hours, bivariate analyses show positive relationships between a) neonatal output and percentage of newborn weight lost (r(96) = 0.493, p < 0.001); and b) maternal IV fluids (final 2 hours) and neonatal output (r(42) = 0.383, p = 0.012). At 72 hours, there was a positive correlation between grams of weight lost and all maternal fluids (r(75) = 0.309, p = 0.007).ConclusionsTiming and amounts of maternal IV fluids appear correlated to neonatal output and newborn weight loss. Neonates appear to experience diuresis and correct their fluid status in the first 24 hours. We recommend a measurement at 24 hours, instead of birth weight, for baseline when assessing weight change. Because practices can differ between maternity settings, we further suggest that clinicians should collect and analyze data from dyads in their care to determine an optimal baseline measurement.

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