Determinants of sexual and reproductive behaviour

Determinants of sexual and reproductive behaviour

R.H.W. van Lunsen, L.P. van Dalen

Department of Sexology & Psychosomatic Ob/Gyn, Academic Medical Centre,

University of Amsterdam, The Netherlands

Sexuality and procreation in western societies have become more and more

dissociated. Whereas in traditional Christian normative beliefs sexuality only

existed in service of procreation it is estimated that approximately 95% of all

human sexual encounters take place because of hedonistic motives while

reproductive consequences would be an unwanted result of these sexual acts. The

longer the period of sexual activity preceding family building is and the later

attempts to conceive start, the lower are chances to conceive spontaneously in

due course when a pregnancy is desired and the higher will be the need for

assisted reproduction. Moreover sexually transmitted diseases that might be the

result of hedonistic sexual activity endanger future fertility.

Determinants that on an individual level predict wether or not a women will

be able to protect herself against unwanted pregnancy and STD and will preserve

her fertilty as well as determinants that make her decide to discontinue

contraception because of childwish are both of an intrinsic and extrinsic nature.

Choices with regard to contraception, STD prevention and reproduction however

often are seen as unidimensional processes within the individual. In the most

commonly used models such as the theory of planned behaviour (Ajzen) and the

health belief model (Becker) subjective norms and values of the individual are

used to predict whether or not a preventive method will be used.

These models however only give an indication of the intention of the

individual to use a preventive method leaving out contextual factors like

communication with the partner and situational factors – like for instance the

use of alcohol – that are in between intended and actual sexual behaviour. It

are mainly these factors that for instance explain discordances between

knowledge about contraception and STD prevention of teenagers, their intended

behaviour and the fact that unwantend pregnancies and STD transmission do occur

more often than expected.

At least two extrinsic factors, other than the intrinsic subjective wishes,norms

and values of the individual, are of great importance in predicting preventive

and reproductive behaviour:

Interactional factors. When the partner is not effectively involved in the

the decision making process this can lead to discontinuation or improper use of

a chosen preventive method. A method that is more the choice of the prescriber

than of the user will be used less successfully.

Situational influences. If a method is to expensive or not easily accessible,

someone will have to resort to other means of prevention that may not be as

suitable as the method he or she would have chosen if it were available.

Negative publicity resulting in distorted health beliefs may also cause

someone to decide not to use a method that in the given situation would be the

most suitable.

A lack of social possibilities to combine career and raising of a family

might lead to postponement of reproduction to an age that diminishes

reproductive chances.

The choice of oral contraceptives for instance is greatly influenced by the

individuals subjective ideas on health related risks, whereas condom use has

more interactional aspects.

The actual quality of preventive behaviour (compliance) depends on the number

and severity of concerns about the chosen method. The more concerns, the more

ambivalence and the more ambivalence, the more user failures and/or

discontinuations. Data from an ongoing research project will be used to

illustrate the complexity of factors influencing sexual ad reproductive health.

Recommendations for innovative counseling strategies will be presented.

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