KNOWLEDGE ON CAUSE AND PREVENTION OF ANAEMIA AMONG PREGNANT WOMEN ATTENDING ANTENATAL CLINIC

CHAPTER ONE

INTRODUCTION

1.1     Background of the study

Anaemia describes a situation in which there is a reduction of haemoglobin concentration in the blood of pregnant women to a level below 11g/dl. Anaemia is one of the most common nutritional deficiency diseases observed globally and affects more than a quarter of the world’s population (1). Globally, anaemia affects 1.62 billion people (25%), among which 56 million are pregnant women (4 and 1). It is estimated that 41.8% of pregnant women worldwide are anaemic. At least half of this anaemia burden is assumed to be due to iron deficiency. Iron deficiency anaemia (IDA) is the most common nutritional disorder in the world affecting 2 billion people worldwide with pregnant women particularly at risk (1). In developing countries, the prevalence of anaemia during pregnancy is 60.0% and about 7.0% of the women are severely anaemic (4). In Africa 57.1% of pregnant women are anaemic (d6). Sub-Saharan Africa is the most affected region, with prevalence of anaemia estimated to be 17.2 million among pregnant women. This constitutes to approximately 30% of total global cases (1). In Nigeria the prevalence of anaemia among pregnant women is 55.1% and among non-pregnant women is 46.4% . Anaemia during pregnancy is considered severe when haemoglobin concentration is less than 7.0 g/dl, moderate when the haemoglobin concentration is 7.0 to 9.9 g/dl, and mild when haemoglobin concentration is 10.0 to 10.9 g/dl (5,7, and 8). When the prevalence of anaemia among pregnant women is 40.0% or more, it is considered as a severe public health problem (10).

Anaemia during pregnancy has a variety of causes and contributing factors. Iron deficiency is the cause of 75% of anaemia cases during pregnancy (9). Infectious diseases such as malaria, helminthes infestations and HIV are implicated with high prevalence of anaemia in sub-Saharan Africa (11). Loss of appetite and excessive vomiting in pregnancy and heavy menstrual flow before pregnancy are also documented causes of anaemia during pregnancy (13). Socio-economic conditions, abnormal demands like multiple pregnancies, teenage pregnancies, maternal illiteracy, unemployment/underemployment, short pregnancy intervals, age of gestation, primigravida and multigravida (15), smoking, excessive alcohol consumption, are the main contributing factors of anaemia during pregnancy (12).

Anaemia during pregnancy is a major cause of morbidity and mortality in pregnant women and infants in developing countries. In 2013, an estimated 289,000 women died worldwide. Developing countries account for 99% (286 000) of the global maternal deaths with sub- Saharan Africa region alone accounting for 62% (179 000). About 800 women a day are still dying from complications in pregnancy and childbirth globally. Anaemia contributes to 20% of all maternal deaths. Anaemia in pregnancy causes low birth weight (14), fetal impairment and infant deaths . Iron deficiency anaemia affects the development of the nation by decreasing the cognitive and motor development of children and productivity of adults (16). Deficiency of folic acid during pregnancy can result in developing neural tube defect that develops in embryos during the first few weeks of pregnancy leading to malformations of the spine, skull, and brain (17).

1.2      Statement of the problem

In Nigeria, the prevalence of anaemia among pregnant women is 55.1%. If the prevalence of anaemia among pregnant women is 40.0% or more, it is considered as a severe public health problem (20). Anaemia is a major cause of morbidity and mortality in pregnant women and increases the risks of foetal, neonatal and overall infant mortality. In 2013, an estimated 289,000 women died worldwide. Developing countries account for 99% (286 000) of the global maternal deaths with sub- Saharan Africa region alone accounting for 62% (179 000). About 800 women a day are still dying from complications in pregnancy and childbirth globally (18). Anaemia during pregnancy contributes to 20% of all maternal deaths . According to the KDHS 2008-09, maternal deaths increased from 414/100,000 in 2003 to 488/100,000 in 2008-09 far from meeting MDG target goals for maternal mortality. From this information it can be estimated that the high prevalence of anaemia among pregnant women in Nigeria is considered to be the main factor for maternal death(1).

Anaemia during pregnancy is also a major risk factor for low birth weight, preterm birth and intrauterine growth restriction (19). Deficiency in folic acid during pregnancy can result in serious neural tube defect, heart defects and cleft lips (Wilcox et al., 2007), limb defects, and urinary tract anomalies.

Pregnant women attending antenatal clinics in Nigeria are routinely put on iron supplementation throughout their pregnancy. However, the prevalence of anaemia among pregnant women is still high. Moreover the available data concerning prevalence and specific ethologic factors of anaemia during pregnancy in Nigeria are limited.

1.3     Objectives of the study

The general objective of the study is the knowledge on cause and prevention of anaemia among pregnant women attending antenatal clinic, the  specific objectives are as follows:

1.       To examine the causes of anaemia among pregnant women attending antenatal clinic.

2.       To evaluate if pregnant women attending antenatal clinic have a knowledge on the prevention of anaemia.

3.       To find out the effect of anaemia on pregnant women attending antenatal clinic.

4.       To evaluate the preventive measures pregnant women can adhere to so as not to contract anaemia.

1.4     Research Questions

1.What are the causes of anaemia among pregnant women attending antenatal clinic?

2. Do pregnant women attending antenatal clinic have a knowledge on the prevention of anaemia?

3.What are the the effect of anaemia on pregnant women attending antenatal clinic?

4.  what are the preventive measures pregnant women can adhere to so as not to contract anaemia?

1.5     Research Hypothesis

HO: Pregnant women attending antenatal clinic have no knowledge on the prevention of anaemia.

H1: Pregnant women attending antenatal clinic have a knowledge on the prevention of anaemia.

1.6     significance of the study

This study examines knowledge on cause and prevention of anaemia among pregnant women attending antenatal clinic. Hence the study will be significant in the following ways

Government: this study will be significant to the government as it will see the need to invest more in the health sector, especially in the reduction of child mortality rate.

Academia: this study will be of significance to the academic community as it will contribute to the existing literature on knowledge on cause and prevention of anaemia among pregnant women attending antenatal clinic.

1.7     Scope of the study

This study will examine the causes of anaemia among pregnant women attending antenatal clinic. The study will also evaluate if pregnant women attending antenatal clinic have a knowledge on the prevention of anaemia. The study will further  find out the effect of anaemia on pregnant women attending antenatal clinic.  Lastly, the study will evaluate the preventive measures pregnant women can adhere to so as not to contract anaemia. Hence this study will be delimited to mother and child hospital Akure, Ondo state.

1.8     limitation of the study

Financial constraint- Insufficient fund tends to impede the efficiency of the researcher in sourcing for the relevant materials, literature or information and in the process of data collection (internet, questionnaire and interview).

Time constraint- The researcher will simultaneously engage in this study with other academic work. This consequently will cut down on the time devoted for the research work.

1.9     Definition of terms

Knowledge: facts, information, and skills acquired through experience or education; the theoretical or practical understanding of a subject

Prevention: the action of stopping something from happening or arising

Anaemia:  a condition in which there is a deficiency of red cells or of haemoglobin in the blood, resulting in pallor and weariness

Antenatal clinic: a clinic that women attend when they are pregnant so that the medical staff can check that they and the baby are healthy

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